Allowance for Loan and Lease Losses - Schedule of the Impaired and Non-Impaired Loans and Leases, By Loan and Leases Class (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020
Impaired Loans and Leases
Individually evaluated, allowance for loan and lease losses	$ 1,130		$ 3,274
Collectively evaluated, allowance for loan and lease losses	92,058		95,810
Total allowance for loan and lease losses	93,188	$ 95,463	99,084	$ 106,474	$ 109,837	$ 114,379
Individually evaluated, loans and leases	22,671		32,703
Collectively evaluated, loans and leases	7,269,241		7,121,754
Total	7,291,912		7,154,457
Commercial real estate loans
Impaired Loans and Leases
Individually evaluated, allowance for loan and lease losses	63		0
Collectively evaluated, allowance for loan and lease losses	69,964		69,213
Total allowance for loan and lease losses	70,027	69,031	69,213	74,009	79,929	80,132
Individually evaluated, loans and leases	12,851		16,906
Collectively evaluated, loans and leases	4,212,903		4,086,134
Total	4,225,754		4,103,040
Commercial
Impaired Loans and Leases
Individually evaluated, allowance for loan and lease losses	1,005		3,236
Collectively evaluated, allowance for loan and lease losses	19,100		23,819
Total allowance for loan and lease losses	20,105	23,503	27,055	28,364	25,825	29,498
Individually evaluated, loans and leases	5,931		10,944
Collectively evaluated, loans and leases	1,854,251		1,876,192
Total	1,860,182		1,887,136
Consumer
Impaired Loans and Leases
Individually evaluated, allowance for loan and lease losses	62		38
Collectively evaluated, allowance for loan and lease losses	2,994		2,778
Total allowance for loan and lease losses	3,056	$ 2,929	2,816	$ 4,101	$ 4,083	$ 4,749
Individually evaluated, loans and leases	3,889		4,853
Collectively evaluated, loans and leases	1,202,087		1,159,428
Total	$ 1,205,976		$ 1,164,281