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Leases (Tables)
 12 Months Ended
Dec. 31, 2021
Leases [Abstract]  
Summary of Lease Expense Components, Supplemental Cash Flow Information and Other Information The components of lease expense recognized in the consolidated statements of operations were as follows (in thousands):
Year ended December 31,
202120202019
Operating lease cost$4,750 $4,475 $3,544 
Finance lease cost:
Amortization of right-of-use assets880 922 926 
Interest on lease obligations956 1,197 1,306 
Short-term lease cost1,667 1,727 1,324 
Variable lease cost1,163 1,214 923 
$9,416 $9,535 $8,023 

Supplemental cash flow information related to leases was as follows (in thousands):
Year ended December 31,
202120202019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases$6,028 $5,350 $4,018 
Finance cash flows from finance leases1,705 1,641 1,565 
Right-of-use assets obtained in exchange for lease obligations:
Operating leases$6,299 $4,121 $2,207 
Finance leases— — — 
Other supplemental information related to leases was as follows:
As of December 31,
202120202019
Weighted Average Remaining Lease Term (in years)
Operating leases5.76.57.6
Finance leases21.422.423.4
Weighted Average Discount Rate
Operating leases4.9 %5.5 %5.7 %
Finance leases5.5 %5.5 %6.0 %
Summary of Future Estimated Minimum Operating Lease Payments
As of December 31, 2021, the aggregate annual lease obligations were as follows (in thousands):
Operating LeasesFinance Leases
2022$6,946 $2,436 
20235,561 1,315 
20244,247 1,315 
20252,572 1,315 
20261,536 1,315 
Thereafter5,439 18,661 
Total lease obligations26,301 26,357 
Less: Amount representing interest(3,885)(9,695)
Net lease obligations$22,416 $16,662 
Schedule of Financing Obligation Payments
As of December 31, 2021, the aggregate annual lease obligations were as follows (in thousands):
Operating LeasesFinance Leases
2022$6,946 $2,436 
20235,561 1,315 
20244,247 1,315 
20252,572 1,315 
20261,536 1,315 
Thereafter5,439 18,661 
Total lease obligations26,301 26,357 
Less: Amount representing interest(3,885)(9,695)
Net lease obligations$22,416 $16,662