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Leases Leases: Other Information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Lessee Disclosure [Abstract]      
Operating cash flows from operating leases $ 13,630 $ 13,018 $ 13,508
Operating cash flows from finance leases 2,355 2,271 1,862
Financing cash flows from finance leases 1,525 1,307 783
Right-of-use assets obtained in exchange for lease obligations, operating leases 10,160 8,310 4,211
Right-of-use assets obtained in exchange for lease obligations, finance leases $ 2,108 $ 9,969 $ 2,637
Weighted-average remaining lease term (years), operating leases 7 years 8 years  
Weighted-average remaining lease term (years), finance leases 15 years 15 years  
Weighted average discount rate, percent, operating leases 5.90% 6.40%  
Weighted average discount rate, percent, finance leases 7.50% 7.70%  
Lessee, Operating Lease, Liability, Payment, Due [Abstract]      
2022 $ 14,250    
2023 14,657    
2024 12,593    
2025 10,472    
2026 6,415    
Thereafter 24,308    
Total future minimum lease payments 82,695    
Less: interest (16,528)    
Total lease obligations 66,167    
Less: current obligations (10,904)    
Long-term lease obligations 55,263 $ 56,001  
Finance Lease, Liability, Payment, Due [Abstract]      
2022 4,014    
2023 4,054    
2024 4,051    
2025 3,735    
2026 3,580    
Thereafter 36,809    
Total future minimum lease payments 56,243    
Less: interest (22,671)    
Total lease obligations 33,572    
Less: current obligations (1,674)    
Long-term lease obligations $ 31,898 $ 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