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, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	$ 33,347	$ 34,813	$ 32,847	$ 35,605
Provision		(1,400)	500	(2,192)
Reserve for unfunded commitments, ending balance	33,347	33,413	33,347	33,413
Commercial and Industrial
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	8,826	8,792	8,112	9,116
Provision	(334)	(845)	380	(1,169)
Reserve for unfunded commitments, ending balance	8,492	7,947	8,492	7,947
Commercial Real Estate
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	1,135	1,873	1,003	1,787
Provision	(132)	(438)		(352)
Reserve for unfunded commitments, ending balance	1,003	1,435	1,003	1,435
Construction
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	7,579	6,897	7,818	8,048
Provision	(176)	225	(415)	(926)
Reserve for unfunded commitments, ending balance	7,403	7,122	7,403	7,122
Residential mortgage
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	87	14
Provision	(66)	(6)
Reserve for unfunded commitments, ending balance	21	8	21	8
Home Equity Line
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	15,681	17,187	15,893	16,589
Provision	724	(308)	512	290
Reserve for unfunded commitments, ending balance	16,405	16,879	16,405	16,879
Consumer
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	39	50	18	41
Provision	(16)	(28)	5	(19)
Reserve for unfunded commitments, ending balance	23	22	23	22
Real estate loan
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance			3	24
Provision			18	(16)
Reserve for unfunded commitments, ending balance	$ 21	$ 8	$ 21	$ 8