XML 27 R21.htm IDEA: XBRL DOCUMENT
v3.23.3

Basis of Presentation and General Information (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2023
Basis of Presentation and General Information |
Schedule of vessel owning subsidiaries | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Country of incorporation/ |  | ​ |  | Delivery date from |  | ​ |  |
Company Name | ​ | formation | ​ | Vessel Name | ​ | shipyard | ​ | Delivery date to Partnership | ​ | Cbm Capacity
Pegasus Shipholding S.A. (“Pegasus”) |  | Marshall Islands |  | Clean Energy |  | March 2007 |  | October 2013 |  | 149,700
Lance Shipping S.A. (“Lance”) |  | Marshall Islands |  | Ob River |  | July 2007 |  | October 2013 |  | 149,700
Seacrown Maritime Ltd. (“Seacrown”) |  | Marshall Islands |  | Amur River |  | January 2008 |  | October 2013 |  | 149,700
Fareastern Shipping Limited (“Fareastern”) |  | Malta |  | Arctic Aurora |  | July 2013 |  | June 2014 |  | 155,000
Navajo Marine Limited (“Navajo”) |  | Marshall Islands |  | Yenisei River |  | July 2013 |  | September 2014 |  | 155,000
Solana Holding Ltd. (“Solana”) |  | Marshall Islands |  | Lena River |  | October 2013 |  | December 2015 |  | 155,000
Schedule of non-vessel owning subsidiaries | ​
Company Name |  | Country of incorporation/formation |  | Purpose of incorporation
Dynagas Equity Holding Limited (“Dynagas Equity”) | ​ | Marshall Islands | ​ | Holding company that owns all of the outstanding share capital of Arctic LNG Carriers Ltd. (“Arctic LNG”).
Dynagas Operating GP LLC (“Dynagas Operating GP”) | ​ | Marshall Islands | ​ | Limited Liability Company in which the Partnership holds a 100% membership interest and which has 100% of the Non-Economic General Partner Interest in Dynagas Operating LP.
Dynagas Operating LP (“Dynagas Operating”) | ​ | Marshall Islands | ​ | Limited partnership in which the Partnership holds a 100% limited partnership interest and which owns 100% of the issued and outstanding share capital of Dynagas Equity.
Dynagas Finance Inc. | ​ | Marshall Islands | ​ | Wholly owned subsidiary of the Partnership whose activities were limited to the co-issuance of the 2019 Notes, discussed under our Annual Report on Form 20-F for the year ended December 31, 2022, which was filed with the SEC, on April 21, 2023 and engaging in other activities incidental thereto.
Arctic LNG Carriers Ltd. | ​ | Marshall Islands | ​ | Wholly owned subsidiary of the Partnership which is directly wholly owned by Dynagas Equity and which owns all of the issued and outstanding share capital of Pegasus, Lance, Seacrown, Fareastern, Navajo, Solana and Dynagas Finance LLC.
Dynagas Finance LLC | ​ | Delaware | ​ | Wholly owned subsidiary of Arctic LNG and co-borrower of the Partnership’s Term Loan discussed under Note 6.
Schedule of partnership's revenues | ​
​ | ​ | ​ | ​ | ​ | ​
Charterer |  | 2023 |  | 2022 |
A |  | 45 | % | 44 | %
B |  | 39 | % | 40 | %
C |  | 16 | % | 16 | %
Total |  | 100 | % | 100 | %

X
- Definition Tabular disclosure of the basis of presentation and general information non-vessel owning subsidiaries. + References No definition available. + Details
Name: | dlng_ListNonVesselOwningSubsidiariesTableTextBlock
Namespace Prefix: | dlng_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure basis of presentation and general information vessel owning subsidiaries. + References No definition available. + Details
Name: | dlng_ListSubsidiariesTableTextBlock
Namespace Prefix: | dlng_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the extent of the entity's reliance on its major customers, if revenues from transactions with a single external customer amount to 10 percent or more of entity revenues, including the disclosure of that fact, the total amount of revenues from each such customer, and the identity of the reportable segment or segments reporting the revenues. The entity need not disclose the identity of a major customer or the amount of revenues that each segment reports from that customer. For these purposes, a group of companies known to the entity to be under common control is considered a single customer, and the federal government, a state government, a local government such as a county or municipality, or a foreign government is each considered a single customer. + References No definition available. + Details
Name: | us-gaap_ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration