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Leases - Additional Information (Details) $ in Thousands |  |  |  |  |  |  |  | 6 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 25, 2021 USD ($) agreement item | Nov. 30, 2018 subsidiary | Oct. 25, 2018 subsidiary | Jun. 28, 2018 | Jun. 26, 2018 subsidiary | Jan. 30, 2018 USD ($) subsidiary | May 30, 2017 USD ($) subsidiary | Jun. 30, 2022 | Jun. 30, 2022 USD ($) | Jun. 30, 2022 facility | Jun. 30, 2022 item | Jun. 30, 2022 agreement | Dec. 31, 2021 USD ($)
Number Of Finance Lease Facility |  |  |  |  |  |  |  |  |  | 5 | 6 |  |
Number of vessel in operation | item |  |  |  |  |  |  |  |  |  |  | 12 |  |
Incremental borrowing rate |  |  |  |  |  |  |  | 4.50% |  |  |  |  |
Advance payment |  |  |  |  |  |  |  |  | $ 11,547 |  |  |  | $ 3,551
Number of short term lease agreements | agreement | 2 |  |  |  |  |  |  |  |  |  |  |  |
Number of long term lease agreements | agreement |  |  |  |  |  |  |  |  |  |  |  | 2 |
Lease agreement period |  |  |  |  |  |  |  | 24 months |  |  |  |  |
Lease, Practical Expedients, Package [true false] | true |  |  |  |  |  |  |  |  |  |  |  |
Japanese Leases No.1 and 2 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of subsidiaries | subsidiary |  |  |  |  |  |  | 2 |  |  |  |  |  |
Sellers Credit Note |  |  |  |  |  |  | $ 2,900 |  |  |  |  |  |
Japanese Leases No.1 and 2 | Other Noncurrent Assets [Member] | Finance Liability [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Sellers Credit Note |  |  |  |  |  |  | $ 2,900 |  |  |  |  |  |
Japanese Lease No.3 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of subsidiaries | subsidiary |  |  |  |  |  | 1 |  |  |  |  |  |  |
Sellers Credit Note |  |  |  |  |  | $ 1,400 |  |  |  |  |  |  |
Advance payment |  |  |  |  |  |  |  |  | $ 9,300 |  |  |  |
Japanese Lease No.3 | Finance Liability [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Sellers Credit Note |  |  |  |  |  | $ 1,400 |  |  |  |  |  |  |
Japanese Lease No.4 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of subsidiaries | subsidiary |  | 1 |  |  |  |  |  |  |  |  |  |  |
Finance Lease Expiry Period |  | 2029 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 3.20% |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Description of Variable Rate Basis |  | LIBOR plus 3.20% |  |  |  |  |  |  |  |  |  |  |
CMBFL Leases No.1 to 4 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of subsidiaries | subsidiary |  |  | 2 |  | 2 |  |  |  |  |  |  |  |
Finance Lease Expiry Period |  |  | 2025 |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  | 3.00% | 3.10% |  |  |  |  |  |  |  |  |
Debt Instrument, Description of Variable Rate Basis |  |  | LIBOR plus 3.00% |  |  |  |  |  |  |  |  |  |
Ocean Yield ASA |  |  |  |  |  |  |  |  |  |  |  |  |
Number of subsidiaries | subsidiary |  |  | 2 |  |  |  |  |  |  |  |  |  |
Finance Lease Expiry Period |  |  | 2030 |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  | 4.50% |  |  |  |  |  |  |  |  |  |
Debt Instrument, Description of Variable Rate Basis |  |  | LIBOR plus 4.50% |  |  |  |  |  |  |  |  |  |
China Huarong Leases |  |  |  |  |  |  |  |  |  |  |  |  |
Number of subsidiaries | subsidiary |  | 2 |  |  |  |  |  |  |  |  |  |  |
Finance Lease Expiry Period |  | 2025 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 3.50% |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Description of Variable Rate Basis |  | LIBOR plus 3.50% |  |  |  |  |  |  |  |  |  |  |
CMBFL Shandong |  |  |  |  |  |  |  |  |  |  |  |  |
Number of subsidiaries | item | 2 |  |  |  |  |  |  |  |  |  |  |  |
Gross proceeds | $ 49,000 |  |  |  |  |  |  |  |  |  |  |  |
Transaction fees | $ 1,000 |  |  |  |  |  |  |  |  |  |  |  |
Maximum [Member] | CMBFL Shandong |  |  |  |  |  |  |  |  |  |  |  |  |
Lessee, Finance Lease, Term of Contract | 8 years |  |  |  |  |  |  |  |  |  |  |  |
Minimum [Member] | CMBFL Shandong |  |  |  |  |  |  |  |  |  |  |  |  |
Lessee, Finance Lease, Term of Contract | 5 years |  |  |  |  |  |  |  |  |  |  |  |

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- Definition The amount advanced to the technical managers for expenses incurred by them in operating the vessels, together with other necessary deposits paid during the course of business. + References No definition available. + Details
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- Definition Period when the finance lease is scheduled to expiry. + References No definition available. + Details
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- Definition The incremental borrowing rate (IBR) is the interest rate a lessee would have to pay to borrow funds to finance an asset similar to the lease's ROU asset in value, over a similar term and in a similar economic environment. + References No definition available. + Details
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- Definition Indicates (true false) whether practical expedients are elected for not reassessing whether any expired or existing contract is or contains lease, lease classification for expired or existing lease, and initial direct cost for any existing lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 10 -Section 65 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=123341672&loc=SL77916155-209984 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 10 -Section 65 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=123341672&loc=SL77916155-209984 + Details
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