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Allowance for Credit Losses - Rollforward of the Reserve for Unfunded Commitments (Details) - Unfunded Commitments - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	$ 35,605	$ 33,835	$ 30,322
Provision	(2,758)	1,770	3,513
Reserve for unfunded commitments, ending balance	32,847	35,605	33,835
Commercial and Industrial
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	9,116	7,811	8,615
Provision	(1,004)	1,305	(804)
Reserve for unfunded commitments, ending balance	8,112	9,116	7,811
Commercial Real Estate
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	1,787	2,004	2,114
Provision	(784)	(217)	(110)
Reserve for unfunded commitments, ending balance	1,003	1,787	2,004
Construction
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	8,048	7,470	8,963
Provision	(230)	578	(1,493)
Reserve for unfunded commitments, ending balance	7,818	8,048	7,470
Residential mortgage
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	24	30	15
Provision	(21)	(6)	15
Reserve for unfunded commitments, ending balance	3	24	30
Home Equity Line
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	16,589	16,483	10,546
Provision	(696)	106	5,937
Reserve for unfunded commitments, ending balance	15,893	16,589	16,483
Consumer
Reserve for unfunded commitments:
Reserve for unfunded commitments, beginning balance	41	37	69
Provision	(23)	4	(32)
Reserve for unfunded commitments, ending balance	$ 18	$ 41	$ 37

X

- Definition

Represents the period increase (decrease) amount of reserve for unfunded commitments.

+ References

No definition available.

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- Definition

Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482454/460-10-45-1

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