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LEASES (Tables) | 6 Months Ended
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Jun. 30, 2021
LEASES |
Summary of components of lease expense | The components of lease expense were as follows (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Three months ended June 30, 2021 | ​ | Three months ended June 30, 2020 | ​ | Six months ended June 30, 2021 | ​ | Six months ended June 30, 2020
Operating lease cost: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Operating lease cost | $ | 4,248 | ​ | $ | 4,029 | ​ | $ | 8,473 | ​ | $ | 8,076
Short-term lease cost | ​ | 729 | ​ | ​ | 729 | ​ | ​ | 1,137 | ​ | ​ | 1,271
Variable lease cost | ​ | 1,016 | ​ | ​ | 1,540 | ​ | ​ | 2,080 | ​ | ​ | 2,343
Total operating lease cost | $ | 5,993 | ​ | $ | 6,298 | ​ | $ | 11,690 | ​ | $ | 11,690
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Finance lease cost: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Amortization of right-of-use asset | $ | 615 | ​ | $ | 522 | ​ | $ | 1,190 | ​ | $ | 1,094
Variable costs | ​ | 197 | ​ | ​ | 186 | ​ | ​ | 392 | ​ | ​ | 458
Total finance lease cost | $ | 812 | ​ | $ | 708 | ​ | $ | 1,582 | ​ | $ | 1,552
Summary of weighted-average remaining lease term and discount rate | The weighted average remaining lease terms and discount rates as of June 30, 2021 and December 31, 2020 are noted in the table below: ​
​ | ​ | ​ | ​ | ​ | ​
​ | June 30, 2021 | ​ | December 31, 2020
Weighted-average remaining lease term | ​ | ​ | ​ | ​ | ​
Operating leases | ​ | 5.7 years | ​ | ​ | 5.9 years
Financing leases | ​ | 10.5 years | ​ | ​ | 10.9 years
​ | ​ | ​ | ​ | ​ | ​
Weighted-average discount rate | ​ | ​ | ​ | ​ | ​
Operating leases | ​ | 4.8% | ​ | ​ | 5.0%
Financing leases | ​ | 4.3% | ​ | ​ | 3.3%
Summary of maturities of operating lease liabilities | Maturities of lease liabilities as of June 30, 2021 were as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​
​ | Operating Leases | ​ | Financing Leases
2021 (excluding the six months ended June 30, 2021) | $ | 8,184 | ​ | $ | 251
2022 | ​ | 15,243 | ​ | ​ | 501
2023 | ​ | 12,846 | ​ | ​ | 501
2024 | ​ | 11,702 | ​ | ​ | 383
2025 | ​ | 8,800 | ​ | ​ | 285
Thereafter | ​ | 14,599 | ​ | ​ | 522
Total lease payments | ​ | 71,374 | ​ | ​ | 2,443
Less imputed interest | ​ | (9,323) | ​ | ​ | (317)
Total | $ | 62,051 | ​ | $ | 2,126
​ Maturities of lease liabilities as of December 31, 2020 were as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​
​ | Operating Leases | ​ | Financing Leases
2021 | $ | 14,877 | ​ | $ | 334
2022 | ​ | 14,202 | ​ | ​ | 333
2023 | ​ | 11,799 | ​ | ​ | 333
2024 | ​ | 10,633 | ​ | ​ | 211
2025 | ​ | 7,816 | ​ | ​ | -
Thereafter | ​ | 13,094 | ​ | ​ | -
Total lease payments | ​ | 72,421 | ​ | ​ | 1,211
Less imputed interest | ​ | (10,097) | ​ | ​ | (82)
Total | $ | 62,324 | ​ | $ | 1,129
Summary of maturities of finance lease liabilities | ​
​ | ​ | ​ | ​ | ​ | ​
​ | Operating Leases | ​ | Financing Leases
2021 (excluding the six months ended June 30, 2021) | $ | 8,184 | ​ | $ | 251
2022 | ​ | 15,243 | ​ | ​ | 501
2023 | ​ | 12,846 | ​ | ​ | 501
2024 | ​ | 11,702 | ​ | ​ | 383
2025 | ​ | 8,800 | ​ | ​ | 285
Thereafter | ​ | 14,599 | ​ | ​ | 522
Total lease payments | ​ | 71,374 | ​ | ​ | 2,443
Less imputed interest | ​ | (9,323) | ​ | ​ | (317)
Total | $ | 62,051 | ​ | $ | 2,126
​
​ | ​ | ​ | ​ | ​ | ​
​ | Operating Leases | ​ | Financing Leases
2021 | $ | 14,877 | ​ | $ | 334
2022 | ​ | 14,202 | ​ | ​ | 333
2023 | ​ | 11,799 | ​ | ​ | 333
2024 | ​ | 10,633 | ​ | ​ | 211
2025 | ​ | 7,816 | ​ | ​ | -
Thereafter | ​ | 13,094 | ​ | ​ | -
Total lease payments | ​ | 72,421 | ​ | ​ | 1,211
Less imputed interest | ​ | (10,097) | ​ | ​ | (82)
Total | $ | 62,324 | ​ | $ | 1,129

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980 + 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 http://asc.fasb.org/extlink&oid=121609121&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=121609121&loc=SL77918701-209980 + Details
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