Leases - Balance Sheet Disclosures and Components of Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease ROU assets	$ 50,200	$ 50,743
Operating lease liability	$ 54,155	$ 59,100
Weighted-average remaining lease term-operating leases (Year)	7 years 4 months 24 days	8 years 3 months 18 days
Weighted average discount rate-operating leases	3.10%	3.20%
Operating lease cost	$ 8,689	$ 7,725	$ 7,575
Short-term lease cost	164	139	136
Variable lease cost	1,065	1,128	1,020
Total lease cost	9,918	8,992	8,731
Operating cash flows from operating leases	12,811	8,316	8,051
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 6,570	5,484	$ 1,576
Right-of-use assets obtained in acquisition		$ 9,993