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Leases - Components of lease expense, and lease assets and liabilities (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022
Lease Cost: |  |  |
Amortization of right-of-use assets (included in depreciation expense) | $ 24 | $ 24 |
Interest on lease liabilities | 6 | 8 |
Operating lease cost | 4,571 | 4,274 |
Short-term lease cost | 140 | 80 |
Variable lease cost | 456 | 469 |
Total lease cost | 5,197 | 4,855 |
Cash paid for amounts included in the measurement of lease liabilities: |  |  |
Operating cash flows used for finance lease | 6 | 8 |
Operating cash flows used for operating leases | 4,435 | 5,316 |
Financing cash flows used for finance lease | 43 | 41 |
Right-of-use assets obtained in exchange for new operating lease liabilities | 5,406 | $ 634 |
Assets and Liabilities, Lessee [Abstract] |  |  |
Finance lease right-of-use assets (included in other assets) | $ 640 |  | $ 664
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] | Other assets, net |  | Other assets, net
Operating lease right-of-use assets | $ 95,156 |  | $ 93,081
Finance lease liability, current (included in current installments of long-term debt) | $ 175 |  | $ 173
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] | Current installments of long-term debt |  | Current installments of long-term debt
Finance lease liability, noncurrent (included in long-term debt) | $ 311 |  | $ 355
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] | Long-term debt, less current installments |  | Long-term debt, less current installments
Operating lease liabilities, current (included in accrued liabilities) | $ 13,314 |  | $ 12,020
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] | Accrued liabilities |  | Accrued liabilities
Operating lease liabilities, noncurrent | $ 87,561 |  | $ 86,687
Weighted average remaining lease term – finance leases | 2 years 8 months 12 days |  | 2 years 10 months 24 days
Weighted average remaining lease term – operating leases | 9 years 3 months 18 days |  | 9 years 9 months 18 days
Weighted average discount rate – finance leases | 4.80% |  | 4.80%
Weighted average discount rate – operating leases | 4.10% |  | 4.10%

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- Definition Amount of interest expense on finance lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918638-209977 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI https://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971 + Details
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- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI https://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980 + Details
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