Leases - Balance Sheet Disclosures and Components of Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Operating lease ROU asset	$ 41,404		$ 41,404		$ 43,289
Operating lease liability	$ 43,067		$ 43,067		$ 46,125
Weighted-average remaining lease term-operating leases (Year)	6 years 3 months 18 days		6 years 3 months 18 days		6 years 7 months 6 days
Weighted average discount rate-operating leases	3.20%		3.20%		2.90%
Short-term lease cost	$ 39	$ 36	$ 177	$ 132
Variable lease cost	262	275	785	713
Total lease cost	2,466	2,434	7,615	7,215
Operating cash flows from operating leases	3,387	2,342	8,042	7,111
Right-of-use assets obtained in exchange for new operating lease liabilities	1,757		3,801	47
Occupancy and equipment
Operating lease cost	2,142	2,100	6,584	6,299
Other operating expense
Operating lease cost	$ 23	$ 23	$ 69	$ 71