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v3.23.1

Leases, Commitments, Guarantees and Contingencies (Tables) | 3 Months Ended
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Mar. 31, 2023
Leases, Commitments, Guarantees and Contingencies |
Summary of related terms and discount rates | ​
​ | ​
​ | ​
Weighted-average remaining lease term for operating leases | 9.8 years
Weighted-average discount rate for operating leases | 6.0%
Summary of lease costs | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the three months ended March 31,
​ |  | 2023 |  | 2022
Operating lease cost | ​ | $ | 24,948 | ​ | $ | 21,841
Variable and short-term lease cost | ​ |  | 803 | ​ |  | 1,018
Sublease income | ​ | ​ | (1,350) | ​ | ​ | (1,803)
Total lease cost | ​ | $ | 24,401 | ​ | $ | 21,056
Schedule of future minimum rental payments for operating leases |
​ | ​ | ​ | ​
April 2023 through December 2023 |  | $ | 14,586
2024 | ​ |  | 22,180
2025 | ​ |  | 16,517
2026 | ​ |  | 13,436
2027 | ​ |  | 12,293
Thereafter | ​ |  | 54,321
Total future minimum operating lease payments | ​ | $ | 133,333
Summary of commitments and obligations | The following table summarizes the Company’s commitments and obligations as noted for each of the next five years and thereafter (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Total |  | Apr - Dec 2023 |  | 2024 |  | 2025 |  | 2026 |  | 2027 |  | Thereafter
Operating lease payments for aircraft and facility obligations | ​ | $ | 133,333 | ​ | $ | 14,586 | ​ | $ | 22,180 | ​ | $ | 16,517 | ​ | $ | 13,436 | ​ | $ | 12,293 | ​ | $ | 54,321
Firm aircraft and spare engine commitments |  | ​ | 140,337 | ​ | ​ | 53,170 | ​ | ​ | 59,396 | ​ | ​ | 27,771 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Interest commitments (1) |  | ​ | 537,120 | ​ | ​ | 95,916 | ​ | ​ | 113,943 | ​ | ​ | 93,846 | ​ | ​ | 74,283 | ​ | ​ | 52,660 | ​ | ​ | 106,472
Principal maturities on long-term debt |  | ​ | 3,326,765 | ​ | ​ | 338,821 | ​ | ​ | 446,277 | ​ | ​ | 530,357 | ​ | ​ | 507,226 | ​ | ​ | 460,455 | ​ | ​ | 1,043,629
Total commitments and obligations | ​ | $ | 4,137,555 | ​ | $ | 502,493 | ​ | $ | 641,796 | ​ | $ | 668,491 | ​ | $ | 594,945 | ​ | $ | 525,408 | ​ | $ | 1,204,422
(1) | At March 31, 2023, the Company’s long-term debt had fixed interest rates.

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- Definition Tabular disclosure of contractual obligation by timing of payment due. Includes, but is not limited to, long-term debt obligation, lease obligation, and purchase obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 303 -Paragraph (a) -Subparagraph (5) + Details
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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980 + Details
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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 -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918701-209980 + Details
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