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Leases:Other Information (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Lessee Disclosure [Abstract] |  |  |
Operating cash flows from operating leases | $ 10,080 | $ 9,744 |
Operating cash flows from finance leases | 1,768 | 1,659 |
Financing cash flows from finance leases | 1,127 | 936 |
Right-of-use assets obtained in exchange for lease obligations, operating leases | 9,532 | 6,628 |
Right-of-use assets obtained in exchange for lease obligations, finance leases | $ 0 | $ 9,871 |
Weighted-average remaining lease term, operating leases | 7 years |  | 8 years
Weighted-average remaining lease term, finance leases | 15 years |  | 15 years
Weighted-average discount rate, operating leases | 5.90% |  | 6.40%
Weighted average discount rate, finance leases | 7.70% |  | 7.70%
Lessee, Operating Lease, Liability, Payment, Due [Abstract] |  |  |
Remainder of 2021 | $ 3,550 |  |
2022 | 14,250 |  |
2023 | 14,010 |  |
2024 | 12,593 |  |
2025 | 10,472 |  |
Thereafter | 30,723 |  |
Total future minimum lease payments | 85,598 |  |
Less: interest | (17,463) |  |
Total lease obligations | 68,135 |  |
Less: current obligations | (10,667) |  |
Long-term lease obligations | 57,468 |  | $ 56,001
Finance Lease, Liability, Payment, Due [Abstract] |  |  |
Remainder of 2021 | 982 |  |
2022 | 3,879 |  |
2023 | 3,919 |  |
2024 | 3,916 |  |
2025 | 3,601 |  |
Thereafter | 37,801 |  |
Total future minimum lease payments | 54,098 |  |
Less: interest | (22,236) |  |
Total lease obligations | 31,862 |  |
Less: current obligations | (1,599) |  |
Long-term lease obligations | $ 30,263 |  | $ 31,607
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] | Other Liabilities, Current |  |
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] | Other Liabilities, Current |  |

X
- Definition Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
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- Definition Amount of interest paid 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 (g)(1) -URI http://asc.fasb.org/extlink&oid=123408670&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 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918643-209977 + Details
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- Definition Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -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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- Definition Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -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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- Definition Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -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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