Allowance for Credit Losses - Rollforward of the Reserve for Unfunded Commitments (Details) - Unfunded Loan Commitment [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	$ 33,413	$ 36,199	$ 35,605	$ 33,835
Provision	284	1,576	(1,908)	3,940
Reserve for unfunded commitments, ending balance	33,697	37,775	33,697	37,775
Commercial and Industrial
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	7,947	6,354	9,116	7,811
Provision	104	3,577	(1,065)	2,120
Reserve for unfunded commitments, ending balance	8,051	9,931	8,051	9,931
Commercial Real Estate Portfolio Segment [Member]
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	1,435	1,991	1,787	2,004
Provision	(262)	(129)	(614)	(142)
Reserve for unfunded commitments, ending balance	1,173	1,862	1,173	1,862
Construction
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	7,122	9,789	8,048	7,470
Provision	643	(382)	(283)	1,937
Reserve for unfunded commitments, ending balance	7,765	9,407	7,765	9,407
Real Estate Loan [Member]
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance		19	24	30
Provision		(6)	(2)	(17)
Reserve for unfunded commitments, ending balance	22	13	22	13
Residential Lending: Home Equity Line
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	16,879	18,015	16,589	16,483
Provision	(240)	(1,475)	50	57
Reserve for unfunded commitments, ending balance	16,639	16,540	16,639	16,540
Residential Portfolio Segment [Member]
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	8
Provision	14
Reserve for unfunded commitments, ending balance	22		22
Consumer
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	22	31	41	37
Provision	25	(9)	6	(15)
Reserve for unfunded commitments, ending balance	$ 47	$ 22	$ 47	$ 22