Amendment Flag Current Fiscal Year End Date Document Fiscal Period Focus Document Fiscal Year Focus Document Information [Line Items] Document Information Document Information [Table] Document Period End Date Document Type Entity Central Index Key Entity Common Stock, Shares Outstanding Entity's units outstanding Entity Current Reporting Status Entity Filer Category Entity Registrant Name Entity Voluntary Filers Entity Well-known Seasoned Issuer Inflation rate adjustement to management fees. Adjustment of Management Fee Due to Inflation Inflation rate adjustement to management fees Future minimum administrative and technical management fees payable in aggregate as of the balance sheet date. Administrative and Technical Management Fees Future Minimum Payments Due Total Future administrative and technical management fees payable in the fifth fiscal year following the latest fiscal year. Administrative And Technical Management Fees Future Minimum Payments In Five Years 2018 Future administrative and technical management fees payable in the fourth fiscal year following the latest fiscal year. Administrative and Technical Management Fees Future Minimum Payments in Four Years 2017 Future administrative and technical management fees payable within six months of the balance sheet date. Administrative And Technical Management Fees Future Minimum Payments In Next Six Months 2014 (period) Future administrative and technical management fees payable in the third fiscal year following the latest fiscal year. Administrative and Technical Management Fees Future Minimum Payments in Three Years 2016 Future administrative and technical management fees payable in the second fiscal year following the latest fiscal year. Administrative and Technical Management Fees Future Minimum Payments in Two Years 2015 Future minimum administrative and technical management fees payable after the fifth fiscal year following the latest fiscal year. Administrative And Technical Management Fees Future Minimum Payments Thereafter Thereafter All Company's vessels. All Vessels [Member] All Vessels Annual increase per unit amount of distribution declared and paid to limited and general partners. Annual Increase In Distribution Per Unit Annual increase in cash distribution paid to unitholders The vessel Arctic Aurora. Arctic Aurora II [Member] Arctic Aurora The vessel Arctic Aurora. Arctic Aurora [Member] Arctic Aurora The charter hire commission rate payable to the management company. Charter Hire Commission Percentage Charter Hire Commission payable to the Management company The vessel Clean Energy. Clean Energy [Member] Clean Energy The vessel Clean Force. Clean Force [Member] Clean Force The amount of charter hire commission payable to the management company over the minimum contractual charter revenues. Commission Payable Over Minimum Contractual Charter Revenues Commission payable over the minimum contractual charter revenues Holders of Units representing a fractional part of the Partnership Interest of all Limited Partners and having the rights and obligations specified with respect to Common Units. Common Limited Partner II [Member] Common Common Unitholders Holders of Units representing a fractional part of the Partnership Interest of all Limited Partners and having the rights and obligations specified with respect to Common Units. Common Limited Partner [Member] Common Limited Partner The number of common limited partner units issued. Common Limited Partners Capital Account Units Issued Common unitholders - units issued The number of common limited partner units offered. Common Limited Partners Capital Account Units Offered Common unitholders - units offered The number of common limited partner units outstanding. Common Limited Partners Capital Account Units Outstanding Common unitholders - units outstanding The amount of the common limited partners' ownership interests. Common Limited Partners Capital Account Common unitholders: 20,505,000 units issued and outstanding as at June 30, 2014 and 14,985,000 units issued and outstanding as of December 31, 2013 (Note 8) The total amount drawn down under the credit facility. Credit Facility Amount Drawn Down Credit facility amount drawn down The $340 million credit facility the Company has signed with the financial institution Credit Suisse AG. Credit Suisse AG III [Member] New $340 million Credit Suisse Senior Secured Revolving Credit Facility The financial institution Credit Suisse AG. Credit Suisse AG II [Member] Credit Suisse AG The $262.1 million credit facility the Company has signed with the financial institution Credit Suisse AG. Credit Suisse AG I [Member] $262.1 million Credit Suisse Senior Secured Revolving Credit Facility Daily management fee payable to the management company. Daily Management Fee Payable Amount Daily management fee Face (par) amount of debt instrument expected to be issued. Debt Instrument Face Amount Expected To Be Issued Principal amount of bond taking precedence over unsecured debt Sum of the carrying amount of deferred revenue that is expected to be recognized as a charge against earnings in periods after one year or beyond the normal operating cycle, if longer, in accordance with GAAP. Deferred Revenue Non Current Asset Deferred revenue The noncurrent portion of deferred revenue amount as of balance sheet date. Deferred revenue is a liability related to a revenue producing activity for which revenue has not yet been recognized, and is not expected to be recognized in the next twelve months in accordance with GAAP. Deferred Revenue Non Current Liability Deferred revenue Date of record for distribution of cash or unit to limited and general partner of limited partnership (LP), in CCYY-MM-DD format. Distribution Made To Limited And General Partner Date Of Record Distributions per unit declared - record date Date of distribution for distribution of cash or unit to limited and general partner of limited partnership (LP), in CCYY-MM-DD format. Distribution Made To Limited And General Partner Distribution Date Distributions per unit declared - distribution date Document and Entity Information The Dynagas GP LLC company. Dynagas GP LLC II [Member] Dynagas GP LLC The Dynagas GP LLC company. Dynagas GP LLC [Member] Dynagas GP LLC The Dynagas Holding Ltd company. Dynagas Holding Ltd III [Member] Dynagas Holding Ltd The Dynagas Holding Ltd company. Dynagas Holding Ltd II [Member] Dynagas Holding The Dynagas Holding Ltd company. Dynagas Holding Ltd [Member] Dynagas Holding Ltd The Dynagas LNG Partners LP company. Dynagas LNG Partners LP II [Member] Dynagas LNG Partners LP The Dynagas LNG Partners LP company. Dynagas LNG Partners LP [Member] Dynagas LNG Partners LP Executive services agreement duration. Executive Services Agreement Duration Executive services agreement duration Executive services agreement. Executive Services Agreement [Member] Executive services agreement Amount payable to the management company for the provision of executive services. Executive Services Fee Amount Payable Annual executive services fee Finance Costs First target distribution member. First Target Distribution [Member] First Target Distribution Follow-on offering, dated June 18 2014. Follow On Offering Dated June 18 2014 [Member] Follow-On Offering Party to a partnership business who has unlimited liability. General Partner II [Member] General Partner Holders of incentive distribution rights in a limited partnership. Incentive Distribution Rights [Member] Holders of IDRs The increase (decrease) during the reporting period in the aggregate amount of receivables to be collected/ of obligations to be paid to related parties. Increase Decrease in due from to Related Parties Due from/to related party The increase (decrease) during the reporting period in the amount of unearned revenue related to revenue collected but not yet recognized as revenue. Increase Decrease in Unearned Revenue Unearned revenue Initial public offering. Initial Public Offering [Member] Initial Public Offering Tabular disclosure of the interest and debt related expenses associated with nonoperating financing activities of the entity. Interest and Finance Costs Table [Text Block] Interest and Finance Costs The entire disclosure for interest and finance costs. Interest and Finance Costs [Text Block] Interest and Finance Costs: Common units other offering costs, paid as of the balance sheet date. Issuance Common Units Other Offering Costs Paid Other offering costs paid Common units other offering costs, incurred up to the balance sheet date. Issuance Common Units Other Offering Costs Other offering costs incurred up to balance sheet date The LNG carrier's capacity in cubic meters. LNG Carrier Capacity Cubic Meters The date the LNG carrier was delivered to the Company. LNG Carrier Delivery Date Delivery Date The date the LNG carrier was built. LNG Carrier Year Built Vessel Year Built Description of the duration of credit facility. Line of Credit Facility Duration Line of credit facility, duration Line of revolving credit facility reduction terms. Line of Revolving Credit Facility, Reduction Terms Line of revolving credit facility, reduction terms Tabular disclosure of the amounts outstanding relating to the company's loans and credit facilities. Loans and Credit Facilities Amounts Outstanding Table [Text Block] Loans And Credit Facilities Amounts Outstanding The major charterer B. Major Charterer B [Member] Charterer B The major charterer C. Major Charterer C [Member] Charterer C The major charterer A. Major Charterer [Member] Charterer A Management agreements. Management Agreements [Member] Management agreements Fees relating to management services from the management company. Management Fees Related Party Fees charged for technical and administrative services Management fees-related party (Note 3(a)) The duration of the management services agreement. Management Services Agreement Duration Management services agreement duration (effected January 1, 2013) Maximum per-unit amount of distribution declared and paid to limited and general partners. Maximum Distribution Per Unit Maximum Partners' Capital, Distribution Amount Per Unit Minimum per-unit amount of distribution declared and paid to limited and general partners. Minimum Distribution Per Unit Minimum Partners' Capital, Distribution Amount Per Unit Tabular disclosure for the charter-out agreements, including the future minimum revenues of vessels in operation before reduction for the commissions, expected to be recognized on non-cancelable time charters. Minimum Future Charter Revenues Table [Text Block] Charter Hire Tabular disclosure for the technical, administrative and commercial management agreement, without taking into consideration the future minimum payments of commissions, expected to be recognized for each of the five years and thereafter following the date of the latest balance sheet date presented. Minimum Future Technical and Commercial Management Fee Table [Text Block] Technical and Commercial Management Fee Minimum quarterly distribution. Minimum Quarterly Distribution [Member] Minimum Quarterly Distribution Aggregate amount of net income allocated to common limited partners. Net Income Loss Allocated to Common Limited Partners Common unitholders' interest in Net Income Aggregate amount of net income allocated to subordinated limited partners. Net Income Loss Allocated to Subordinated Limited Partners Subordinated unitholders' interest in Net Income Net income (loss) allocated to each outstanding common limited partnership unit basic and diluted. Net Income Loss per Outstanding Common Limited Partner Unit Basic and Diluted Common unit (basic and diluted) Net income (loss) allocated to each outstanding general partnership unit basic and diluted. Net Income Loss per Outstanding General Partner Unit Basic and Diluted General Partner unit (basic and diluted) Net income (loss) allocated to each outstanding subordinated limited partnership unit basic and diluted. Net Income Loss per Outstanding Subordinated Limited Partner Unit Basic and Diluted Subordinated unit (basic and diluted) Net income (loss) allocated to each class of outstanding partnership unit basic and diluted. Net Income Loss per Outstanding Unit Basic and Diluted Earnings per unit basic and diluted Lump sum payable to the management company for newbuilding supervision services. New Buildings Supervision Lump Sum Lump sum payable to the management company for the supervision of vessels construction The vessel Ob River (renamed from Clean Power). Ob River [Member] Ob River (renamed from Clean Power in July 2012) Future rental payments receivable within the fifth fiscal year following the latest fiscal year under an operating lease. Operating Leases Future Minimum Rental Payments Receivable In Five Years 2018 Future rental payments receivable within the fourth fiscal year following the latest fiscal year under an operating lease. Operating Leases Future Minimum Rental Payments Receivable In Four Years 2017 Future rental payments receivable within six months of the balance sheet date under an operating lease. Operating Leases Future Minimum Rental Payments Receivable In Next Six Months 2014 (period) Future rental payments receivable within the third fiscal year following the latest fiscal year under an operating lease. Operating Leases Future Minimum Rental Payments Receivable In Three Years 2016 Future rental payments receivable within the second fiscal year following the latest fiscal year under an operating lease. Operating Leases Future Minimum Rental Payments Receivable In Two Years 2015 Future rental payments receivable after the fifth fiscal year following the latest fiscal year under an operating lease. Operating Leases Future Minimum Rental Payments Receivable Thereafter Thereafter Underwriters over-allotment option. Over Allotment [Member] Over-allotment Partnership's wholly-owned vessel owning subsidiaries Pegasus, Lance, Seacrown and Fareastern. Pegasus Lance Seacrown Fareastern [Member] Pegasus-Lance-Seacrown-Fareastern Partnership's wholly-owned vessel owning subsidiaries Pegasus, Lance and Seacrown. Pegasus Lance Seacrown [Member] Pegasus-Lance-Seacrown The percentage allocations of the additional available cash from operating surplus among the unitholders, General Partner and the holders of the incentive distribution rights. Percentage Allocations of Additional Available Cash Among Unitholders Percentage allocations of the additional available cash Amount of cash outflow in the form of deemed dividend to preferred unitholders of the partnership. Preferential Deemed Dividend Preferential deemed dividend Preferential deemed dividend (Notes 3(c) and 8) The cash inflow associated with the amount received from entity's first offering of stock to the public, net of issuance costs. Proceeds from Issuance Initial Public Offering Net of Issuance Costs Proceeds from issuance of common units, net of commissions The cash inflow from the issuance of common limited partners units during the period, net of commissions and expenses. Proceeds From Issuance Of Common Limited Partners Units Net Of Commissions And Expenses Proceeds from issuance of common units, net of commissions and expenses The cash inflow from the issuance of general partners units during the period. Proceeds From Issuance Of General Partner Units Issuance of general partner units Quarterly increase per unit amount of distribution declared and paid to limited and general partners. Quarterly Increase In Distribution Per Unit Quarterly increase in cash distribution paid to unitholders Tabular disclosure of an entity's basic and diluted earnings per unit calculations for each period to each class of units based on the distribution waterfall for cash available for distribution, specified in the partnership agreement. Schedule of Loss Income per Unit Basic and Diluted Table [Text Block] Earnings per Unit Second target distribution member. Second Target Distribution [Member] Second Target Distribution The guaranatee paid in advance per vessel under the management agreement. Security Advance Payment per Vessel Advance payment per vessel under management agreement Holders of Units representing a fractional part of the Partnership Interest of all Limited Partners and having the rights and obligations specified with respect to Subordinated Units. Subordinated Limited Partner II [Member] Subordinated Limited Partner Holders of Units representing a fractional part of the Partnership Interest of all Limited Partners and having the rights and obligations specified with respect to Subordinated Units. Subordinated Limited Partner [Member] Subordinated Subordinated Unitholders The number of subordinated limited partner units issued. Subordinated Limited Partners Capital Account Units Issued Subordinated unitholders - units issued The number of subordinated limited partner units outstanding. Subordinated Limited Partners Capital Account Units Outstanding Subordinated unitholders - units outstanding Entity Subordinated Stock Shares Outstanding The amount of the subordinated limited partners' ownership interests. Subordinated Limited Partners Capital Account Subordinated unitholders: 14,985,000 units issued and outstanding as at June 30, 2014 and December 31, 2013 (Note 8) The terms related to the agreed management agreement. Terms of Management Agreement Management agreement terms Future target distribution after third quarter member. Thereafter Target Distribution [Member] Thereafter Third target distribution member. Third Target Distribution [Member] Third Target Distribution The duration of the charter party agreement between the Company and the charterer. Time Charter Agreement Duration Time charter agreement duration Total quarterly distribution target amount member. Total Quarterly Distribution Target Amount [Member] Total Quarterly Distribution Target Amount Underwriters over-allotment option. Underwriters Overallotment Option [Member] Overallotment Option Holders of Units representing the Partnership Interest of all Limited Partners and having the rights and obligations specified with respect to Common Units. Unithoders of Limited Partnership [Member] Limited Unitholders Vessels' accumulated depreciation. Vessel Accumulated Depreciation [Member] Accumulated Depreciation Vessel Cost member. Vessel Cost [Member] Vessel Cost The annual percentage of upward adjustment on vessel management fees per the relevant agreement. Vessel Management Agreement Fees Upwards Adjustment Percentage Management fees annual upward percentage adjustment Vessels' net book value. Vessel Net Book Value [Member] Net Book Value Vessel operating expenses include crew wages and related costs, the cost of insurance, expenses for repairs and maintenance, the cost of spares and consumable stores, lubricant costs and other miscellaneous expenses. Vessel operating expenses also include all peripheral expenses incurred while vessels perform their classification special survey and dry-docking such as spare parts, port dues, tugs, service engineer attendance etc. Vessel Operating Expenses Vessel operating expenses Vessels Net [Abstract] Disclosure of vessels that are used in the normal conduct of business to produce goods and services and not intended for resale. Vessels Net [Text Block] Vessels, net: Vessel cost net of accumulated depreciation. Vessels Net Vessels, net (Note 3(c) & Note 4) Commissions charged for commercial services provided by a related party. Voyage Expenses Related Party Commissions charged for commercial services Voyage expenses-related party (Note 3(a)) Costs relating to the voyages performed, primarily consisting of commissions to brokers, port, canal and bunker expenses that are unique to a particular charter. Voyage Expenses Voyage expenses Weighted average number of common limited partnership units outstanding determined by relating the portion of time within a reporting period that common partnership units have been outstanding to the total time in that period. Weighted Average Common Limited Partnership Units Outstanding Common units Weighted Average Number Units Outstanding Basic and Diluted [Abstract] Weighted average number of units outstanding, basic and diluted: (Note 9) Weighted average number of subordinated limited partnership units outstanding determined by relating the portion of time within a reporting period that subordinated partnership units have been outstanding to the total time in that period. Weighted Average Subordinated Limited Partnership Units Outstanding Subordinated units The weighted average number of partnership units per class issued and outstanding that are used in calculating earnings per partnership unit basic and diluted. Weighted Average Units Outstanding Basic and Diluted Weighted average number of units outstanding, basic and diluted Significant Accounting Policies Accounts Payable, Current Trade payables Accounts Payable, Related Parties, Current Due to related party (Note 3(a)) Amount payable to Dynagas Ltd Accounts Receivable, Net, Current Trade receivables Accrued Liabilities, Current Accrued liabilities Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Balance June 30, 2014 Balance December 31, 2013 Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Amortization Of Financing Costs Amortization of deferred financing fees Assets [Abstract] ASSETS Assets, Current [Abstract] CURRENT ASSETS: Assets Current Total current assets Assets Total assets Capital Unit Class [Domain] Capital Units By Class [Axis] Cash and cash equivalents at end of the period Cash and cash equivalents at beginning of the period Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Net increase in cash and cash equivalents Class of Stock [Domain] Commitments and Contingencies Disclosure Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies: Commitments and Contingencies Commitments and contingencies (Note 7) Common Unit, Issued Concentration Risk, Percentage Percentage of time charter revenue Costs and Expenses [Abstract] EXPENSES: Debt Disclosure Debt Disclosure [Text Block] Long-Term Debt: Debt Instrument [Axis] Debt Instrument, Description of Variable Rate Basis Debt instrument, description of variable rate basis Debt Instrument, Face Amount Principal amount Debt Instrument [Line Items] Debt Instrument Debt Instrument, Maturity Date Maturity Date Debt Instrument, Name [Domain] Debt Instrument Name [Domain] Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid Debt instrument, periodic payment terms, balloon payment Schedule of Long-term Debt Instruments [Table] Debt Instrument [Table] Debt, Weighted Average Interest Rate Weighted average interest rate Debtor Reorganization Items, Write-off of Deferred Financing Costs and Debt Discounts Deferred Finance Costs, Current, Net Deferred charges, current portion Deferred Finance Costs, Noncurrent, Net Deferred charges, net of current portion Deferred Revenue, Current Unearned revenue Deferred Revenue, Noncurrent Depreciation Depreciation Depreciation (Note 4) Depreciation Derivative Instrument [Axis] Derivative Instruments and Hedging Activities Disclosures [Table] Derivative [Line Items] Derivatives and Fair Value [Text Block] Fair Value Measurements: Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Paid Distribution Made To Limited Partner Cash Distributions Paid Total distributions paid to all classes of unitholders Distributions paid Distribution Made to Limited Partner, Distributions Declared, Per Unit Distribution Made to Limited Partner, Distributions Paid, Per Unit Distribution made to Limited Partner, Distributions paid, Per unit Distribution Type [Domain] Distribution Type [Axis] Due from Related Parties, Current Due from related party (Note 3 (a)) Working capital advances granted to Dynagas Ltd Due from Related Parties, Noncurrent Due from related party (Note 3(a)) Management fee paid in advance Due to Related Parties, Current Loan from related party (Note 3(b)) Earnings Per Share Earnings Per Share [Text Block] Earnings per Unit: Earnings Per Unit Revenue, Major Customer [Line Items] Entity Wide Revenue Major Customer Expense Related to Distribution or Servicing and Underwriting Fees Underwriting discounts and commissions Fair Value Measurement [Domain] Fair Value Disclosure Item Amounts [Domain] Fair Value Disclosures General and Administrative Expense General and administrative expenses General and administrative expenses (Note 3(d)) General Partner [Member] General General Partner General Partners' Capital Account, Units Issued General Partner unitholders - units issued General Partners' Capital Account, Units Outstanding General Partner unitholders - units outstanding Entity General Partner Stock Shares Outstanding General Partners' Capital Account General partner: 35,526 units issued and outstanding as at June 30, 2014 and 30,000 units issued and outstanding as at December 31, 2013 (Note 8) Income Tax Disclosure Increase (Decrease) in Accounts Payable Trade payables Increase (Decrease) in Accounts Receivable Trade receivables Increase (Decrease) in Accrued Liabilities Accrued liabilities Increase (Decrease) in Deferred Revenue Deferred revenue Increase Decrease In Inventories Inventories Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Prepaid Expense Prepayments and other assets Increase (Decrease) in Restricted Cash Decrease/(increase) in restricted cash Interest and Finance Costs Interest and Debt Expense Total Interest and finance costs (Notes 5 & 10) Interest Costs Incurred Total interest incurred on long-term debt Interest expense (Note 5) Interest Rate Swap [Member] Interest Rate Swap Inventory Net Inventories Liabilities and Equity [Abstract] LIABILITIES AND PARTNERS' EQUITY Liabilities and Equity Total liabilities and partners' equity Liabilities, Current [Abstract] CURRENT LIABILITIES: Liabilities, Current Total current liabilities Liabilities, Noncurrent Total non-current liabilities Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest General Partner Interest in Dynagas LNG Partners LP Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest Ownership percentage in Dynagas LNG Partners LP Limited Partner [Member] Limited Partners' Capital Account, Units Outstanding Limited Partners' Capital Account Line of Credit Facility, Amount Outstanding Revolving credit facility amount drawn down Line of Credit Facility, Commitment Fee Amount Line of credit facility, commitment fee amount Commitment fees (Note 5) Line of Credit Facility, Covenant Terms Covenant terms Line of Credit Facility, Description Line of credit facility, Terms Line of Credit Facility, Frequency of Payments Line of credit facility, frequency of payments Line of Credit Facility, Maximum Borrowing Capacity Revolving credit facility for general purposes Revolving credit facility borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Line of credit facility, remaining borrowing capacity Loans Payable to Bank Long-term debt Amount oustanding Non-compliance total outstanding balance Long-term Debt, Current Maturities Current portion of long term debt (Note 5) Less current portion Long Term Debt Maturities Repayments Of Principal After Year Five 2019 and thereafter Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months 2014 Long-term Debt, Maturities, Repayments of Principal in Year Five 2018 Long-term Debt, Maturities, Repayments of Principal in Year Four 2017 Long-term Debt, Maturities, Repayments of Principal in Year Three 2016 Long-term Debt, Maturities, Repayments of Principal in Year Two 2015 Long Term Debt Maturities Repayments Of Principal Remainder Of Fiscal Year 2014 (period) Long-term Debt, Excluding Current Maturities Long-term debt, net of current portion (Note 5) Long-term portion Long-term Debt Total long-term debt Total Total Customer [Axis] Major Customers [Axis] Management fees for the Period/Year ending December 31, Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners Noncontrolling Interest, Ownership Percentage by Parent Customer [Domain] Name Of Major Customer [Domain] Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from/(used in) Financing Activities: Net Cash Provided by (Used in) Financing Activities Net cash provided by/(used in) Financing Activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from/(used in) Investing Activities: Net Cash Provided by (Used in) Investing Activities Net cash used in Investing Activities Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from Operating Activities: Net Cash Provided by (Used in) Operating Activities Net cash provided by Operating Activities Net Income (Loss) Allocated to General Partners General Partner's interest in Net Income Net Income (Loss) Allocated to Limited Partners Net Income (Loss), Per Outstanding Limited Partnership and General Partnership Unit, Basic and Diluted, Net of Tax [Abstract] Earnings per unit, basic and diluted: (Note 9) Nonoperating Income (Expense) [Abstract] OTHER INCOME/(EXPENSES): Nonoperating Income (Expense) Total other expenses Operating Income (Loss) Operating income Operating Leases, Future Minimum Payments Receivable, Current 2014 (period) Operating Leases, Future Minimum Payments Receivable, in Five Years 2018 Operating Leases, Future Minimum Payments Receivable, in Four Years 2017 Operating Leases, Future Minimum Payments Receivable, in Three Years 2016 Operating Leases, Future Minimum Payments Receivable, in Two Years 2015 Operating Leases Future Minimum Payments Receivable Thereafter Thereafter Operating Leases, Future Minimum Payments Receivable Total Organization, Consolidation and Presentation of Financial Statements Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Basis of Presentation and General Information: Other Assets, Noncurrent [Abstract] OTHER NON CURRENT ASSETS: Other Expenses Other, net Other Financial Services Costs Other Other Nonrecurring Income Expense One off non-cash time charter amortization expense Partner Capital Components [Axis] Partner Capital Components [Domain] Partners' Equity PARTNERS' EQUITY: Partners' Capital Account, Distributions Total distribution paid to all classes of partners Total distribution approved and expected to be paid to all classes of partners Partners' Capital Notes Disclosure [Text Block] Partners' Equity: Partners' Capital Total partners' equity Payments of Financing Costs Payment of deferred finance fees Payments Of Stock Issuance Costs Payment of IPO issuance costs Payments To Acquire Property Plant And Equipment Vessel Acquisitions Prepaid Expense and Other Assets, Current Prepayments and other assets Prepaid Expense, Current Proceeds from Issuance Initial Public Offering Proceeds from Issuance Initial Public Offering Proceeds from Issuance of Common Limited Partners Units Issuance of common units, net of issuance costs paid Proceeds from issuance of common units, net of commissions Proceeds from Issuance of Common Stock Proceeds from Issuance of Long-term Debt Proceeds from long-term debt Proceeds From Partnership Contribution Issuance of general partner units Proceeds from issuance of general partners units Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Partnership's Net Income Net income: Property Plant And Equipment Additions Acquisitions Property, Plant and Equipment, Type [Axis] Property Plant And Equipment By Type [Axis] Balance June 30, 2014 Balance December 31, 2013 Property, Plant and Equipment, Gross Property, Plant and Equipment [Line Items] Property Plant And Equipment Vessels, Net FIXED ASSETS, NET: Balance June 30, 2014 Balance December 31, 2013 Property, Plant and Equipment, Net Total fixed assets, net Property, Plant and Equipment, Planned Major Maintenance Activities, Policy [Policy Text Block] Property, Plant and Equipment [Table Text Block] Vessels Table Property, Plant and Equipment, Type [Domain] Property Plant And Equipment Type [Domain] Related Party [Domain] Related Party Transaction, Due from (to) Related Party Related Party Transaction [Line Items] Related Party Transaction Related Party [Axis] Related Party Transactions By Related Party [Axis] Related Party Transactions Disclosure [Text Block] Transactions with related parties: Repayments Of Debt Amount repaid Repayments of Long-term Debt Repayment of long-term debt Repayments Of Related Party Debt Repayment of loan to related party Repayment of loan to related party Restricted Cash and Cash Equivalents, Noncurrent Restricted cash (Note 5) Revenues [Abstract] REVENUES: Revenues Voyage revenues Schedule of Incentive Distributions Made to Managing Members or General Partners by Distribution [Table Text Block] Schedule of Incentive Distributions Made to General Partners or Unitholders by Distribution Schedule of Maturities of Long-term Debt [Table Text Block] Minimum Annual Principal Payments Property, Plant and Equipment [Table] Schedule Of Property Plant And Equipment [Table] Schedule of Related Party Transactions, by Related Party [Table] Schedule Of Related Party Transactions By Related Party [Table] Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block] Major Charterers Senior Notes [Member] Senior Notes Shares Issued Price Per Share Units issued price per unit Significant Accounting Policies [Text Block] Significant Accounting Policies: Significant Acquisitions And Disposals Acquisition Costs Or Sale Proceeds Total consideration paid to acquire entity Class of Stock [Axis] Statement [Line Items] Statement of Equity Statement of Cash Flows Statement Of Financial Position Statement of Comprehensive Income Statement of Partners' Capital Statement [Table] Subsequent Events Subsequent Events [Text Block] Subsequent Events: Subsidiary Of Limited Liability Company Or Limited Partnership Ownership Interest Percentage of ownership in entity Charter Hire for the Period/Year ending December 31, Weighted Average General Partnership Units Outstanding General Partner units Weighted Average Limited Partnership Units Outstanding, Basic