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LEASES (Tables) | 12 Months Ended
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Dec. 31, 2023
LEASES |
Summary of components of lease expense | The components of lease expense were as follows (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Year ended
​ | December 31, 2023 |  | December 31, 2022 | ​ | December 31, 2021
Operating lease cost: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Operating lease cost | $ | 23,232 | ​ | $ | 24,531 | ​ | $ | 20,386
Short-term lease cost | ​ | 2,866 | ​ | ​ | 2,575 | ​ | ​ | 2,402
Variable lease cost | ​ | 4,896 | ​ | ​ | 3,186 | ​ | ​ | 3,874
Total operating lease cost | $ | 30,994 | ​ | $ | 30,292 | ​ | $ | 26,662
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Finance lease cost: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Amortization of right-of-use asset | $ | 2,930 | ​ | $ | 3,060 | ​ | $ | 2,561
Variable costs | ​ | 814 | ​ | ​ | 838 | ​ | ​ | 792
Interest costs | ​ | 372 | ​ | ​ | 381 | ​ | ​ | —
Total finance lease cost | $ | 4,116 | ​ | $ | 4,279 | ​ | $ | 3,353
Summary of weighted-average remaining lease term and discount rate | ​
​ | ​ | ​ | ​ | ​ | ​
​ | December 31, 2023 | ​ | December 31, 2022
Weighted-average remaining lease term | ​ | ​ | ​ | ​ | ​
Operating leases | ​ | 13.3 years | ​ | ​ | 12.4 years
Financing leases | ​ | 9.2 years | ​ | ​ | 9.3 years
​ | ​ | ​ | ​ | ​ | ​
Weighted-average discount rate | ​ | ​ | ​ | ​ | ​
Operating leases | ​ | 6.3% | ​ | ​ | 6.0%
Financing leases | ​ | 6.6% | ​ | ​ | 6.7%
Summary of maturities of operating lease liabilities | Maturities of lease liabilities as of December 31, 2023 were as follows (in thousands):
​ | ​ | ​ | ​ | ​ | ​
​ | Operating Leases | ​ | Financing Leases
2024 | ​ | 18,048 | ​ | ​ | 2,030
2025 | ​ | 16,022 | ​ | ​ | 1,488
2026 | ​ | 11,755 | ​ | ​ | 601
2027 | ​ | 9,327 | ​ | ​ | 534
2028 | ​ | 7,807 | ​ | ​ | 505
Thereafter | ​ | 80,637 | ​ | ​ | 2,145
Total lease payments | ​ | 143,596 | ​ | ​ | 7,303
Less imputed interest | ​ | (57,133) | ​ | ​ | (1,662)
Total | $ | 86,463 | ​ | $ | 5,641
Maturities of lease liabilities as of December 31, 2022 were as follows (in thousands):
​ | ​ | ​ | ​ | ​ | ​
​ | Operating Leases | ​ | Financing Leases
2023 | $ | 19,417 | ​ | $ | 1,403
2024 | ​ | 17,836 | ​ | ​ | 1,342
2025 | ​ | 14,805 | ​ | ​ | 978
2026 | ​ | 10,505 | ​ | ​ | 504
2027 | ​ | 8,096 | ​ | ​ | 495
Thereafter | ​ | 76,452 | ​ | ​ | 2,651
Total lease payments | ​ | 147,111 | ​ | ​ | 7,373
Less imputed interest | ​ | (53,794) | ​ | ​ | (1,914)
Total | $ | 93,317 | ​ | $ | 5,459
​
Summary of maturities of finance lease liabilities | Maturities of lease liabilities as of December 31, 2023 were as follows (in thousands):
​ | ​ | ​ | ​ | ​ | ​
​ | Operating Leases | ​ | Financing Leases
2024 | ​ | 18,048 | ​ | ​ | 2,030
2025 | ​ | 16,022 | ​ | ​ | 1,488
2026 | ​ | 11,755 | ​ | ​ | 601
2027 | ​ | 9,327 | ​ | ​ | 534
2028 | ​ | 7,807 | ​ | ​ | 505
Thereafter | ​ | 80,637 | ​ | ​ | 2,145
Total lease payments | ​ | 143,596 | ​ | ​ | 7,303
Less imputed interest | ​ | (57,133) | ​ | ​ | (1,662)
Total | $ | 86,463 | ​ | $ | 5,641
Maturities of lease liabilities as of December 31, 2022 were as follows (in thousands):
​ | ​ | ​ | ​ | ​ | ​
​ | Operating Leases | ​ | Financing Leases
2023 | $ | 19,417 | ​ | $ | 1,403
2024 | ​ | 17,836 | ​ | ​ | 1,342
2025 | ​ | 14,805 | ​ | ​ | 978
2026 | ​ | 10,505 | ​ | ​ | 504
2027 | ​ | 8,096 | ​ | ​ | 495
Thereafter | ​ | 76,452 | ​ | ​ | 2,651
Total lease payments | ​ | 147,111 | ​ | ​ | 7,373
Less imputed interest | ​ | (53,794) | ​ | ​ | (1,914)
Total | $ | 93,317 | ​ | $ | 5,459
Schedule of maturities of future undiscounted lease payments | ​
​ | ​ | ​
2024 | $ | 7,039
2025 | ​ | 6,760
2026 | ​ | 6,398
2027 | ​ | 5,212
2028 | ​ | 4,865
Thereafter | ​ | 12,510
Total future lease payments | $ | 42,784
​

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- Definition Tabular disclosure of undiscounted cash flows of finance lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to finance 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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- 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 -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-4 + 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 -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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- Definition Tabular disclosure of maturity of undiscounted cash flows to be received by lessor on annual basis for operating lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479773/842-30-50-12 + Details
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