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Leases (Tables) | 12 Months Ended
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Dec. 31, 2023
Leases [Abstract] |
Schedule of components of lease cost | The following table details the components of our lease cost (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
​ |  | 2023 |  | 2022 |  | 2021
Operating lease cost | ​ | $ | 72,775 |  | $ | 61,067 |  | $ | 60,636
Variable lease cost | ​ |  | 21,423 |  | ​ | 20,562 |  | ​ | 16,711
Short-term lease cost | ​ |  | 54,613 |  | ​ | 29,487 |  | ​ | 20,590
Sublease income | ​ |  | (1,113) |  | ​ | (1,275) |  | ​ | (1,303)
Net lease cost | ​ | $ | 147,698 |  | $ | 109,841 |  | $ | 96,634
Schedule of maturities of operating lease liabilities | Maturities of our operating lease liabilities as of December 31, 2023 are as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | ​ |  | Facilities and |  | ​ | ​
​ |  | Vessels |  | Equipment |  | Total
Less than one year | ​ | $ | 67,488 | ​ | $ | 6,639 |  | $ | 74,127
One to two years | ​ |  | 55,453 | ​ |  | 3,508 |  | ​ | 58,961
Two to three years | ​ |  | 35,200 | ​ |  | 1,289 |  | ​ | 36,489
Three to four years | ​ |  | 26,245 | ​ |  | 1,272 |  | ​ | 27,517
Four to five years | ​ |  | 3,040 | ​ |  | 1,244 |  | ​ | 4,284
Over five years | ​ |  | — | ​ |  | 1,926 |  | ​ | 1,926
Total lease payments | ​ | $ | 187,426 | ​ | $ | 15,878 |  | $ | 203,304
Less: imputed interest | ​ |  | (22,419) | ​ |  | (2,038) |  | ​ | (24,457)
Total operating lease liabilities | ​ | $ | 165,007 | ​ | $ | 13,840 |  | $ | 178,847
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Current operating lease liabilities | ​ | $ | 56,602 | ​ | $ | 6,060 |  | $ | 62,662
Non-current operating lease liabilities | ​ |  | 108,405 | ​ |  | 7,780 |  | ​ | 116,185
Total operating lease liabilities | ​ | $ | 165,007 | ​ | $ | 13,840 |  | $ | 178,847
​ Maturities of our operating lease liabilities as of December 31, 2022 are as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | ​ |  | Facilities and |  | ​ | ​
​ |  | Vessels |  | Equipment |  | Total
Less than one year | ​ | $ | 58,063 | ​ | $ | 6,603 |  | $ | 64,666
One to two years | ​ |  | 55,515 | ​ |  | 5,697 |  | ​ | 61,212
Two to three years | ​ |  | 43,400 | ​ |  | 2,797 |  | ​ | 46,197
Three to four years | ​ |  | 35,200 | ​ |  | 959 |  | ​ | 36,159
Four to five years | ​ |  | 26,244 | ​ |  | 959 |  | ​ | 27,203
Over five years | ​ |  | 3,041 | ​ |  | 2,783 |  | ​ | 5,824
Total lease payments | ​ | $ | 221,463 | ​ | $ | 19,798 |  | $ | 241,261
Less: imputed interest | ​ |  | (32,986) | ​ |  | (2,675) |  | ​ | (35,661)
Total operating lease liabilities | ​ | $ | 188,477 | ​ | $ | 17,123 |  | $ | 205,600
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Current operating lease liabilities | ​ | $ | 45,131 | ​ | $ | 5,783 |  | $ | 50,914
Non-current operating lease liabilities | ​ |  | 143,346 | ​ |  | 11,340 |  | ​ | 154,686
Total operating lease liabilities | ​ | $ | 188,477 | ​ | $ | 17,123 |  | $ | 205,600
Schedule of weighted average remaining lease term and discount rate | The following table presents the weighted average remaining lease term and discount rate: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
​ |  | 2023 | ​ | 2022 | ​ | 2021
Weighted average remaining lease term |  | 3.1 | years | ​ | 4.0 | years | ​ | 2.4 | years
Weighted average discount rate |  | 8.20 | % | ​ | 7.84 | % | ​ | 7.57 | %
Schedule of other information related to operating leases | The following table presents other information related to our operating leases (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
​ |  | 2023 |  | 2022 |  | 2021
Cash paid for operating lease liabilities | ​ | $ | 68,788 |  | $ | 58,129 |  | $ | 61,826
Right-of-use assets obtained in exchange for new operating lease obligations | ​ |  | 26,502 |  | ​ | 144,134 |  | ​ | 5,992
​

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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-6 + Details
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