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Leases - Lease Costs and Other Information (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Leases [Abstract]      
Operating lease cost (cost resulting from lease payments) $ 1,840 $ 2,159  
Variable lease cost (cost excluded from lease payments) 231 250  
Sublease income (87) (87)  
Net lease cost 1,984 2,322  
Operating lease - operating cash flows (fixed payments) 1,820 $ 2,304  
Operating lease right-of-use assets 28,969   $ 30,555
Operating lease liabilities $ 33,935   $ 35,501
Weighted average lease term - operating leases 6 years 1 month 13 days   6 years 3 months 3 days
Weighted average discount rate - operating leases 3.01%   3.05%