Allowance for Credit Losses - Rollforward of the Reserve for Unfunded Commitments (Details) - Unfunded Commitments - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	$ 34,947	$ 33,347	$ 35,697	$ 32,847
Provision (benefit)	2,725		1,975	500
Reserve for unfunded commitments, ending balance	37,672	33,347	37,672	33,347
Commercial and Industrial
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	7,299	8,826	7,859	8,112
Provision (benefit)	591	(334)	31	380
Reserve for unfunded commitments, ending balance	7,890	8,492	7,890	8,492
Commercial Real Estate
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	1,120	1,135	1,220	1,003
Provision (benefit)	244	(132)	144
Reserve for unfunded commitments, ending balance	1,364	1,003	1,364	1,003
Construction
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	10,022	7,579	9,772	7,818
Provision (benefit)	2,033	(176)	2,283	(415)
Reserve for unfunded commitments, ending balance	12,055	7,403	12,055	7,403
Residential mortgage
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	37	87	44	3
Provision (benefit)	(24)	(66)	(31)	18
Reserve for unfunded commitments, ending balance	13	21	13	21
Home Equity Line
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	16,431	15,681	16,771	15,893
Provision (benefit)	(102)	724	(442)	512
Reserve for unfunded commitments, ending balance	16,329	16,405	16,329	16,405
Consumer
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	38	39	31	18
Provision (benefit)	(17)	(16)	(10)	5
Reserve for unfunded commitments, ending balance	$ 21	$ 23	$ 21	$ 23