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LEASES (Tables) | 3 Months Ended
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Mar. 31, 2022
LEASES |
Components of operating lease cost | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended March 31, | ​
​ |  | 2022 |  | 2021 | ​
Operating lease cost | ​ | $ | 5,719 | ​ | $ | 5,921 | ​
Short-term and variable lease cost | ​ | ​ | 1,090 | ​ | ​ | 842 | ​
Total operating lease cost | ​ | $ | 6,809 | ​ | $ | 6,763 | ​
Schedule of maturities of operating lease liabilities | ​
​ | ​ | ​ | ​
Year Ending December 31, |  | ​ | ​
2022 (remaining) | ​ | $ | 15,589
2023 | ​ |  | 18,733
2024 | ​ |  | 16,247
2025 | ​ | ​ | 13,280
2026 | ​ | ​ | 11,903
Thereafter | ​ | ​ | 66,528
Total lease payments | ​ | ​ | 142,280
Less: Interest | ​ | ​ | (31,439)
Present value of lease liabilities | ​ | $ | 110,841
Schedule of other information related to leases | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended March 31, | ​
​ |  | 2022 |  |  | 2021 | ​
Weighted average remaining lease term (in years) | ​ | ​ | 9.6 | ​ | ​ | ​ | 10.6 | ​
Weighted average discount rate | ​ |  | 4.5 | % | ​ | ​ | 4.6 | %
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended March 31, | ​
​ |  | 2022 |  | 2021 |
Cash paid for operating leases | ​ | $ | 5,626 | ​ | $ | 5,958 | ​
Right-of-use assets obtained in exchange for operating lease liabilities | ​ | $ | 4,530 | ​ | $ | 2,192 | ​

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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 http://asc.fasb.org/extlink&oid=123408670&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 http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980 + Details
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