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 [Domain] Entity Filer Category Entity Registrant Name Entity Voluntary Filers Entity Well-known Seasoned Issuer Legal Entity [Axis] Trading Symbol The $200 million credit facility the Company has signed with the financial institution ABN Amro NV. ABN Amro NV [Member] $200 Million Term Loan Facility Inflation rate adjustement to management fees. Adjustment of Management Fee Due to Inflation Inflation rate adjustement to management fees Future administrative and technical management fees payable within one year following the latest fiscal year. Administrative and Technical Management Fees Future Minimum Payments Current 2016 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 2020 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 2019 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 2018 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 2017 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 Days notice required for termination of administrative services agreement. Administrative Services Agreement Days Notice Required Administrative services days notice Administrative services agreement duration. Administrative Services Agreement Duration Administrative services duration Administrative Services Agreement II [Member] Administrative service charges due to Manager (e) Administrative Services Agreement [Member] Administrative Services Agreement The date the charter agreement is expected to commence. Agreement Commencement Date Expected commencement date Amended Omnibus Agreement [Member] Amended Omnibus Agreement The vessel Amur River (renamed from Clean Force). Amur River [Member] Amur River (renamed from Clean Force) 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 per unit paid to all unitholders The vessel Arctic Aurora. Arctic Aurora [Member] Arctic Aurora Arctic Aurora Yenisei River [Member] Arctic Aurora and Yenisei River Borrowings Associated With Vessels Acquisitions [Member] Borrowings associated with vessel acquisitions from our Sponsor Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer, related to the value of the property. Business Combination Consideration Transferred Relative To Value Of Asset Consideration paid related to the value of the vessel The amount of payment as penalty under the management agreements for the termination of contract after a change of control of the owners and / or the owners' ultimate parent. Cancellation Of Management Agreement Termination Fee Cancellation of management agreement termination fee The number of installments under the agreement required to build up a cash collateral reserve Cash reserve build up installments number The increase in the annual depreciation expense due to the change in accounting estimate. Change In Accounting Estimate Effect On Depreciation Change in accounting estimate effect on depreciation Description of the relevant terms of the charter agreement. Charter Agreement Description Of Terms Charter agreement description of terms The charter hire commission rate payable to the management company. Charter Hire Commission Percentage Charter Hire Commission payable to the Management company The amount charged as daily charter hire. Charter Hire Daily Rate Charter hire daily rate 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 authorized. Common Limited Partners Capital Account Units Authorized Common unitholders - units authorized 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 (unlimited authorized; 20,505,000 units issued and outstanding as at December 31, 2015and 2014) The consideration associated with the acquisition of a vessel and the related time charter. Consideration To Acquire Vessel And Time Charter Consideration for vessel and related time charter Credit financing balance due to Sponsor. Credit financing balance due to Sponsor [Member] Credit financing balance due to Sponsor (c) The $340 million credit facility the Company has signed with the financial institution Credit Suisse AG. Credit Suisse AG III [Member] $340 million Senior Secured Revolving Credit Facility The $262.1 million credit facility the Company has signed with the financial institution Credit Suisse AG. Credit Suisse AG I [Member] Credit Suisse AG $262.1 million Credit Suisse Senior Secured Revolving Credit Facility The required minimum daily charter rate agreed value in order for the funds of a restricted cash account to be released. Daily charter rate threshold for release of restricted cash Minimum daily charter rate for release of restricted cash Daily management fee payable to the management company. Daily Management Fee Payable Amount Daily management fee Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. Deferred Finance Costs Net Less deferred financing fees 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 Amounts held on account by related parties on form of security deposits. Deposits To Third Parties [Member] Security deposits to Manager (a) Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. Derivative Notional Amount 1 Notional amount of interest rate swaps 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 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 Refers to the amount of distribution per-unit, declared and paid to limited, subordinated, general partners and other class of interests. Distribution Per Unit Document and Entity Information Disclosure of accounting method for dry-docking and special survey costs. Drydocking and Special Survey Costs Policy [Text Block] Accounting for Special Survey and Dry-Docking Costs: Fair value as of the balance sheet date of amounts due from related parties. Due From Related Parties Fair Value Disclosure Due from related parties non current fair value - determined through level 3 inputs The Dynagas Finance Inc. company. Dynagas Finance Inc [Member] Dynagas Finance Inc. 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 [Member] Dynagas Holding Ltd Dynagas LNG Partners LP - Dynagas Finance Inc. [Member] Dynagas LNG Partners LP - Dynagas Finance Inc. Dynagas LNG Partners LP Follow On Offering [Member] Dynagas LNG Partners LP Follow On Offering Dynagas LNG Partners LP Initial Public Offering [Member] Dynagas LNG Partners LP Initial Public Offering The Dynagas LNG Partners LP company. Dynagas LNG Partners LP [Member] Dynagas LNG Partners LP The Dynagas Ltd company. Dynagas Ltd [Member] Dynagas Ltd. The Dynagas Operating GP LLC company. Dynagas Operating GP LLC [Member] Dynagas Operating GP LLC. The Dynagas Operating LP company. Dynagas Operating LP [Member] Dynagas Operating LP. Automatic renewal of the executive services agreeement with the Management company. Executive Services Agreement Automatic Renewal [Member] Executive Services Agreement - Automatic Renewal Period (in years) of executive services agreement. Executive Services Agreement Duration Period Executive services agreement duration Executive services agreement duration. Executive Services Agreement Duration Executive services agreement duration Initial term of the executive services agreeement with the Management company. Executive Services Agreement Initial Term [Member] Executive Services Agreement - Initial Term The executive services agreeement with the Management company. Executive Services Agreement [Member] Executive services agreement Executive service charges due to Manager (d) Amount fee charged by the management company for the provision of executive services. Executive Services Fee Amount Payable Annual executive services fee Fees relating to the provision of executive services from the management company. Executive Services Fees Related Party Executive services fee (d) Expected Delivery First Quarter [Member] Delivery in the first quarter of 2019 Expected Delivery Fourth Quarter [Member] Delivery in the fourth quarter of 2017 Finance Costs Disclosure of accounting policy for financial instruments and derivatives. Financial Instruments and Derivatives Policy [Text Block] Accounting for Financial Instruments: First target distribution member. First Target Distribution [Member] First Target Distribution Follow on offering. Follow On Offering [Member] Follow On Offering Gazprom [Member] Gazprom Party to a partnership business who has unlimited liability. General Partner II [Member] General Partner Covenant reffering to the ratio of the aggregate of the vessels' market values and the net realizable value of any additional security over the outstanding amount of a facility. Hull Cover Ratio Covenant Hull cover ratio 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 [Member] Initial Installment 1 FY 2015 [Member] Distribution 1 - FY 2015 Installment 2 FY 2015 [Member] Distribution 2 - FY 2015 Installment 3 FY 2015 [Member] Distribution 3 - FY 2015 Installment 4 FY 2014 [Member] Distribution 4 - FY 2014 Installment 4 FY 2015 [Member] Installment 4 - FY 2015 Disclosure of accounting policy for recognizing and recording insurance claims recoveries. Insurance Claims Policy [Text Block] Insurance Claims: 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 The LNG carrier's capacity in cubic meters. LNG Carrier Capacity Cubic Meters Cbm Capacity The date the LNG carrier was delivered to the Company. LNG Carrier Delivery Date Delivery Date Delivery Date to Partnership The date the LNG carrier was built. LNG Carrier Year Built Year Built The related party company Lance Shipping S.A. Lance [Member] Lance Legal Right [Member] Legal right to purchase vessels Legal right to acquire Sponsor's interests Lena River and Yenisei River [Member] Lena River and Yenisei River Lena River [Member] Lena River Number of repayment installments of a credit facility agreement. Line Of Credit Facility Number Of Repayment Installment Line of credit facility, repayment installments Description of the duration of credit facility. Line of Credit Facility Duration Line of credit facility, duration Tabular disclosure of the entity's non-vessel owning subsidiaries. List Of Non Vessel Owning Subsidiaries [Table Text Block] Non-Vessel Owning Subsidiaries Tabular disclosure of the entity's vessel owning subsidiaries. List Of Subsidiaries [Table Text Block] Vessel Owning Subsidiaries 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 Carrying amount of long-term debt, net of unamortized discount or premium and debt issuance costs, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Long Term Debt Net Total debt, net of deffered finance costs 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 Fees relating to management services from the management company. Management fees (a) Management Fees Related Party Management fees Management fees-related party The duration of the management services agreement. Management Services Agreement Duration Management services agreement duration (effected January 1, 2013) The initial termination date of the management services agreement. Management Services Agreement Initial Termination Date Management services agreement initial termination date 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] Minimum Future Charter Revenues 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] Management Fees Covenant reffering to the Minimum net worth result of Total Assets less Intangible Assets, less Total Borrowings of the Company. Minimum Net Worth Net worth Minimum quarterly distribution. Minimum Quarterly Distribution [Member] Minimum Quarterly Distribution Navajo [Member] Navajo Partnership's wholly-owned vessel owning subsidiaries Navajo and Solana. Navajo And Solana [Member] Navajo And Solana Aggregate amount of net income allocated to common limited partners. Net Income Loss Allocated to Common Limited Partners Common unitholders' interest in Net Income Net income attributable to common unitholders Aggregate amount of net income allocated to preferred limited partners. Net Income Loss Allocated ToPreferred Limited Partners Preferred unitholders' interest in Net Income Net Income attributable to preferred unitholders 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 attributable to subordinated unitholders 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) The net proceeds from the issuance of preferred limited partners units during the period. Net Proceeds From Issuance Of Preferred Limited Partners Units Issuance of preferred units, net of issuance costs incurred Amount of the effect of a change in accounting principle regarding debt issuance costs, on current portion of long-term debt, net. New Accounting Pronouncement Or Change In Accounting Principle Effect Change On Current Portion Long Term Debt Net New accounting pronouncement or change in accounting principle, reduction effect of change on current portion long-term debt, net Amount of the effect of a change in accounting principle regarding debt issuance costs, on long-term debt, net. New Accounting Pronouncement Or Change In Accounting Principle Effect Of Change On LongTerm Debt Net New accounting pronouncement or change in accounting principle, reduction effect of change on non-current portion of long-term debt, net 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 number of vessels dropped down to the limited partnership (LP) by the managing member or general partner, affiliate of managing member or general partner, or affiliate of LLC or LP. Number Of Vessels Dropped Down Number of vessels dropped down Number of vessels owned and/ or to be acquired by the partnership. Number Of Vessels The vessel Ob River (renamed from Clean Power). Ob River [Member] Ob River (renamed from Clean Power in July 2012) Ob River Disclosure of accounting policy for other comprehensive income or loss. Other Comprehensive Income Loss Policy [Text Block] Other Comprehensive Income: The amount of other partnership expenses, payable to the manager. Other Payable Expense [Member] Other Partnership expenses due to Manager Payment obligation settlement period (number of days). Payment Obligation Settlement Period Payment obligation settlement period Partnership's wholly-owned vessel owning subsidiaries Pegasus, Lance, Seacrown and Fareastern. Pegasus Lance Seacrown Fareastern [Member] Pegasus-Lance-Seacrown-Fareastern Related party companies. Pegasus Lance Seacrown [Member] Pegasus-Lance-Seacrown The related party company Pegasus Shipholding S.A. Pegasus [Member] Pegasus 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 Period (in months) for the calculation of the termination fee, in case of automatic termination of the management agreements. Period For Calculation Of Management Agreement Termination Fee Period for calculation of management agreement termination fee Potential income tax in absence of exemption. Potential Income Tax in Absence of Exemption Potential income tax in absence of exemption The equity impact in the form of dividend to unitholders of the partnership relating to the acquisition of subsidiaries which were dropped down into the Partnership. Preferential Deemed Dividend Equity Impact Preferential deemed dividend (Note 9) -Preferential deemed dividend (Note 9) Amount of cash outflow in the form of deemed dividend to unitholders exerting control over the partnership. Preferential Deemed Dividend Preferential deemed dividend Preferential deemed dividend Preferred Limited Partner [Member] Preferred Limited Partner 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 issuance costs 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 Disclosure of accounting policy for repair and maintenance activities. Property Plant and Equipment Planned Major Maintenance Activities [Policy Text Block] Repairs and Maintenance: 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 per unit, paid to all unitholders Amount of general and administrative expenses resulting from transactions, excluding transactions that are eliminated in consolidated or combined financial statements, with a related party. Related Party Transaction General And Administrative Expenses From Transactions With Related Party General and administrative expenses- related party General and administrative expenses- related party Tabular disclosure of related party transactions and resulting balances as included in the balance sheet. Related Party Transactions Balances [Table Text Block] Related parties balances The cash outflow during the period from the repayment of the related party credit financing. Repayment Of Related Party Financing Repayment of financing Disclosure of accounting policy for revenue and expenses recognition. Revenue and Expense Recognition Policy Accounting for Revenues and Related Expenses: Revised [Member] Revised The financial institution Royal Bank of Scotland. Royal Bank of Scotland III [Member] Royal Bank of Scotland The financial institution Royal Bank of Scotland. Royal Bank of Scotland II [Member] Royal Bank of Scotland The financial institution Royal Bank of Scotland. Royal Bank of ScotlandI [Member] Royal Bank of Scotland 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] Basic and Diluted Earnings per Unit The scrap value of vessels per light weight ton (LWT). Scrap Value Per Light Weight Ton Scrap value per light weight ton The related party company Seacrown Maritime Ltd. Seacrown [Member] Seacrown Second target distribution member. Second Target Distribution [Member] Second Target Distribution Security Advance Payment Per Vessel Senior Unsecured Notes [Member] $250.0 Million Senior Unsecured Notes $250.0 Million Senior Unsecured Notes due 2019 Solana [Member] Solana Sponsor Interest Free Debt [Member] Sponsor interest free credit Sponsor credit Sponsor Related Party [Member] Sponsor 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 December 31, 2015 and 2014) 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 time charter agreement in years. Time Charter Years Time charter (in years) The tonnage taxes for the period. Tonnage Tax Tonnage taxes for the period Total quarterly distribution target amount member. Total Quarterly Distribution Target Amount [Member] Total Quarterly Distribution Target Amount 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