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Leases - Lease Costs and Other Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Leases [Abstract]          
Operating lease cost (cost resulting from lease payments) $ 1,757 $ 1,960 $ 5,418 $ 6,132  
Variable lease cost (cost excluded from lease payments) 270 205 781 678  
Sublease income (30) (117) (212) (291)  
Net lease cost 1,997 2,048 5,987 6,519  
Operating lease - operating cash flows (fixed payments) 1,809 $ 1,992 5,551 $ 6,344  
Operating lease right-of-use assets 26,022   26,022   $ 30,555
Operating lease liabilities $ 30,837   $ 30,837   $ 35,501
Weighted average lease term - operating leases 5 years 9 months 21 days   5 years 9 months 21 days   6 years 3 months 3 days
Weighted average discount rate - operating leases 2.95%   2.95%   3.05%