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Allowance for Credit Losses - Schedule of the Impaired and Non-Impaired Loans and Leases, By Loan and Leases Class (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023
Impaired Loans and Leases
Individually evaluated, allowance for loan and lease losses	$ 21,709		$ 17,546
Collectively evaluated, allowance for loan and lease losses	105,016		107,537
Total allowance for loan and lease losses	126,725	$ 124,145	125,083	$ 121,750	$ 120,124	$ 117,522
Individually evaluated, loans and leases	216,250		128,428
Collectively evaluated, loans and leases	9,366,124		9,650,860
Total	9,582,374		9,779,288
Commercial Real Estate
Impaired Loans and Leases
Individually evaluated, allowance for loan and lease losses	3,804		3,566
Collectively evaluated, allowance for loan and lease losses	69,311		70,605
Total allowance for loan and lease losses	73,115	73,999	74,171	82,152	83,475	81,410
Individually evaluated, loans and leases	150,569		77,983
Collectively evaluated, loans and leases	5,334,977		5,638,131
Total	5,485,546		5,716,114
Commercial
Impaired Loans and Leases
Individually evaluated, allowance for loan and lease losses	17,892		13,967
Collectively evaluated, allowance for loan and lease losses	28,577		30,202
Total allowance for loan and lease losses	46,469	43,356	44,169	33,386	30,417	29,557
Individually evaluated, loans and leases	62,504		47,819
Collectively evaluated, loans and leases	2,457,843		2,458,845
Total	2,520,347		2,506,664
Consumer
Impaired Loans and Leases
Individually evaluated, allowance for loan and lease losses	13		13
Collectively evaluated, allowance for loan and lease losses	7,128		6,730
Total allowance for loan and lease losses	7,141	$ 6,790	6,743	$ 6,212	$ 6,232	$ 6,555
Individually evaluated, loans and leases	3,177		2,626
Collectively evaluated, loans and leases	1,573,304		1,553,884
Total	$ 1,576,481		$ 1,556,510