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Loans Receivable and Allowance for Credit Losses - Loan Portfolio (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	$ 755,671		$ 848,859
Allowance for credit losses	(14,984)	$ (14,989)	(15,925)	$ (25,668)	$ (24,098)	$ (10,310)
Loans receivable, net	740,687		832,934
Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	452,155		472,093
Allowance for credit losses	(9,045)	(7,958)	(6,089)	(13,360)	(10,039)	(6,966)
Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	94,579		106,783
Allowance for credit losses	(608)	(678)	(607)	(1,088)	(1,027)	(665)
Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	134,333		163,565
Allowance for credit losses	(1,056)	(1,215)	(1,269)	(1,408)	(1,673)	(1,403)
Consumer and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	68,418		99,688
Allowance for credit losses	(4,273)	(5,133)	(7,843)	(9,696)	(11,275)	(1,207)
Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	3,829		4,266
Allowance for credit losses	(2)	(5)	(4)	(2)	(33)	(24)
Construction to Permanent - CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	2,357		2,464
Allowance for credit losses	$ 0	$ 0	$ (113)	$ (114)	$ (51)	$ (10)

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

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Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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Amortized cost excluding accrued interest, after allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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-Paragraph 5
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-Publisher FASB
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