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Leases (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Lessee, Lease, Description [Line Items]
Finance lease obligations	$ 235,242	$ 270,883
Amounts representing interest and deferred finance fees	(37,219)	(44,428)
Finance lease obligations, net of interest and deferred finance fees	198,023	226,455
Current portion of finance lease obligations	25,428	21,783
Current portion of deferred finance fees	(519)	(699)
Non-current portion of finance lease obligations	175,091	207,592
Non-current portion of deferred finance fees	(1,977)	(2,221)
Total finance lease obligations, net of deferred finance fees	198,023	226,455
Japanese Leases No.1 and 2
Lessee, Lease, Description [Line Items]
Finance lease obligations		21,677
Japanese Lease No.3
Lessee, Lease, Description [Line Items]
Finance lease obligations	9,237	10,747
Japanese Lease No.4
Lessee, Lease, Description [Line Items]
Finance lease obligations	18,819	19,942
CMBFL Leases No.1 to 4
Lessee, Lease, Description [Line Items]
Finance lease obligations	61,615	65,187
Ocean Yield ASA
Lessee, Lease, Description [Line Items]
Finance lease obligations	47,638	50,320
China Huarong Leases
Lessee, Lease, Description [Line Items]
Finance lease obligations	35,131	37,385
CMBFL Shandong
Lessee, Lease, Description [Line Items]
Finance lease obligations	$ 62,802	$ 65,625

X

- Definition

Amount necessary to reduce net minimum lease payments to present value for finance leases.

+ References

No definition available.

+ Details

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- Definition

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term before adjustment of seller's credit.

+ References

No definition available.

+ Details

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- Definition

Present value of lessee's discounted obligation for lease payments from finance lease before deducting deferred finance fees, classified as current.

+ References

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- Definition

Present value of lessee's discounted obligation for lease payments from finance lease before deducting deferred finance fees, classified as noncurrent.

+ References

No definition available.

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- Definition

Present value of minimum lease payments for finance leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.

+ References

No definition available.

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- Definition

Amount, after accumulated amortization, of debt issuance costs classified as current. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

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- Definition

Amount of lessee's undiscounted obligation for lease payments for finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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