Leases - Costs and Supplemental Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease expense	$ 16,345	$ 18,481	$ 18,852
Variable lease expense	1,384	2,830	2,924
Sublease income	(860)	(749)	(791)
Total lease expense	16,869	20,562	$ 20,985
ROU assets	82,431	84,227
Lease liabilities	$ 92,864	$ 96,812
Weighted average remaining lease term	7 years	7 years 6 months
Weighted average discount rate	2.73%	2.96%
Cash paid for amounts included in the measurement of lease liabilities	$ 19,611	$ 18,973
ROU assets obtained in exchange for lease obligations	$ 12,588	$ 2,931
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Other liabilities	Other liabilities