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Leases (Notes)
9 Months Ended
Sep. 30, 2021
Leases [Abstract]  
Lessee, Operating Leases Leases
    
Lease Costs

    The components of lease expense were as follows:
Three Months Ended
September 30
Nine Months Ended
September 30
2021202020212020
(thousands)
Operating lease cost$3,474 $3,313 $10,199 $10,020 
Finance lease cost
Amortization of right-of-use assets598 603 1,803 1,602 
Interest on lease liabilities592 615 1,775 1,659 
Variable lease cost927 754 2,651 2,215 
Short-term lease cost1,391 899 3,646 2,969 
Sublease income(113)(31)(176)(108)
Total lease cost$6,869 $6,153 $19,898 $18,357 
Other Information

    Supplemental cash flow information related to leases was as follows:
Nine Months Ended
September 30
20212020
(thousands)
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases$10,080 $9,744 
Operating cash flows from finance leases1,768 1,659 
Financing cash flows from finance leases1,127 936 
Right-of-use assets obtained in exchange for lease obligations
Operating leases9,532 6,628 
Finance leases— 9,871 
    
    Other information related to leases was as follows:
September 30, 2021December 31, 2020
Weighted-average remaining lease term (years)
Operating leases78
Finance leases1515
Weighted-average discount rate
Operating leases5.9 %6.4 %
Finance leases7.7 %7.7 %

    As of September 30, 2021, our minimum lease payment requirements for noncancelable operating and finance leases are as follows:
Operating LeasesFinance Leases
(thousands)
Remainder of 2021$3,550 $982 
202214,250 3,879 
202314,010 3,919 
202412,593 3,916 
202510,472 3,601 
Thereafter30,723 37,801 
Total future minimum lease payments85,598 54,098 
Less: interest(17,463)(22,236)
Total lease obligations68,135 31,862 
Less: current obligations(10,667)(1,599)
Long-term lease obligations$57,468 $30,263 
Leases, Finance Leases Leases
    
Lease Costs

    The components of lease expense were as follows:
Three Months Ended
September 30
Nine Months Ended
September 30
2021202020212020
(thousands)
Operating lease cost$3,474 $3,313 $10,199 $10,020 
Finance lease cost
Amortization of right-of-use assets598 603 1,803 1,602 
Interest on lease liabilities592 615 1,775 1,659 
Variable lease cost927 754 2,651 2,215 
Short-term lease cost1,391 899 3,646 2,969 
Sublease income(113)(31)(176)(108)
Total lease cost$6,869 $6,153 $19,898 $18,357 
Other Information

    Supplemental cash flow information related to leases was as follows:
Nine Months Ended
September 30
20212020
(thousands)
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases$10,080 $9,744 
Operating cash flows from finance leases1,768 1,659 
Financing cash flows from finance leases1,127 936 
Right-of-use assets obtained in exchange for lease obligations
Operating leases9,532 6,628 
Finance leases— 9,871 
    
    Other information related to leases was as follows:
September 30, 2021December 31, 2020
Weighted-average remaining lease term (years)
Operating leases78
Finance leases1515
Weighted-average discount rate
Operating leases5.9 %6.4 %
Finance leases7.7 %7.7 %

    As of September 30, 2021, our minimum lease payment requirements for noncancelable operating and finance leases are as follows:
Operating LeasesFinance Leases
(thousands)
Remainder of 2021$3,550 $982 
202214,250 3,879 
202314,010 3,919 
202412,593 3,916 
202510,472 3,601 
Thereafter30,723 37,801 
Total future minimum lease payments85,598 54,098 
Less: interest(17,463)(22,236)
Total lease obligations68,135 31,862 
Less: current obligations(10,667)(1,599)
Long-term lease obligations$57,468 $30,263