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Commitments and Contingencies (Tables)
 12 Months Ended
Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]  
Components of Lease Expense
Total lease cost consisted of the following:
Years ended December 31,
(in thousands)20212020
Operating lease cost$6,948 $7,025 
Variable lease cost2,472 3,182 
Total lease costs$9,420 $10,207 
Other Balance Sheet information related to operating leases was as follows:
December 31,
(In thousands)20212020
Right-of-use assets obtained in exchange for operating lease obligations178$3,496
Weighted average remaining lease term, in years45
Weighted Average Discount Rate2.3%2.8%
Maturities of Operating Lease Liabilities The following table presents the balance of Operating lease obligations:
December 31,
(In thousands)20212020
Operating lease liability - current5,580 5,830 
Operating lease liability - long-term16,456 22,402 
Total operating lease liabilities$22,036 $28,232 
Future minimum operating lease payments at December 31, 2021 were as follows:
(In thousands)
20226,387 
20236,036 
20245,123 
20254,072 
2026871 
Thereafter1,617 
Total future minimum lease payments24,106 
Less: imputed interest(2,070)
Total$22,036