Allowance for Credit Losses - Rollforward of the Reserve for Unfunded Commitments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance		$ 30,603	$ 600
Provision			13,703
Reserve for unfunded commitments, ending balance			30,603
Commercial and Industrial
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance		11,719
Provision			6,329
Reserve for unfunded commitments, ending balance			11,719
Commercial real estate
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance		1,328
Provision			550
Reserve for unfunded commitments, ending balance			1,328
Construction
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance		9,037
Provision			4,918
Reserve for unfunded commitments, ending balance			9,037
Residential Lending: Residential Mortgage
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance		2
Provision			(5)
Reserve for unfunded commitments, ending balance			2
Home equity line
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance		8,452
Provision			1,865
Reserve for unfunded commitments, ending balance			8,452
Consumer Portfolio Segment [Member]
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance		65	600
Provision			46
Reserve for unfunded commitments, ending balance			65
Reserve for unfunded commitments
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	$ 30,322	30,603
Provision	3,513	(281)
Reserve for unfunded commitments, ending balance	33,835	30,322	30,603
Reserve for unfunded commitments | Commercial and Industrial
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	8,615	11,719
Provision	(804)	(3,104)
Reserve for unfunded commitments, ending balance	7,811	8,615	11,719
Reserve for unfunded commitments | Commercial real estate
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	2,114	1,328
Provision	(110)	786
Reserve for unfunded commitments, ending balance	2,004	2,114	1,328
Reserve for unfunded commitments | Construction
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	8,963	9,037
Provision	(1,493)	(74)
Reserve for unfunded commitments, ending balance	7,470	8,963	9,037
Reserve for unfunded commitments | Residential Lending: Residential Mortgage
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	15	2
Provision	15	13
Reserve for unfunded commitments, ending balance	30	15	2
Reserve for unfunded commitments | Home equity line
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	10,546	8,452
Provision	5,937	2,094
Reserve for unfunded commitments, ending balance	16,483	10,546	8,452
Reserve for unfunded commitments | Consumer Portfolio Segment [Member]
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	69	65
Provision	(32)	4
Reserve for unfunded commitments, ending balance	$ 37	$ 69	65
ASU No. 2016-13
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance			16,300
ASU No. 2016-13 | Commercial and Industrial
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance			5,390
ASU No. 2016-13 | Commercial real estate
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance			778
ASU No. 2016-13 | Construction
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance			4,119
ASU No. 2016-13 | Residential Lending: Residential Mortgage
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance			7
ASU No. 2016-13 | Home equity line
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance			6,587
ASU No. 2016-13 | Consumer Portfolio Segment [Member]
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance			$ (581)