Loans and Allowance for Credit Losses on Loans - Schedule of Activity in Allowance for Credit Losses on Loans by Portfolio Segment (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Analysis of allowance for loan losses
Beginning balance	$ 22,129	$ 20,814	$ 21,993	$ 19,241	$ 19,241
Provision for (reversal of) credit losses	627	0	820	(258)
Charge-offs	0	(20)	(68)	(136)	(864)
Recoveries	4	8	15	31
Impact of CECL adoption				1,924
Ending balance	22,760	20,802	22,760	20,802	21,993
Commercial real estate
Analysis of allowance for loan losses
Beginning balance	8,044	6,784	7,915	6,951	6,951
Provision for (reversal of) credit losses	(118)	0	11	(951)
Charge-offs	0	0	0	(91)	(686)
Recoveries	0	0	0	0
Impact of CECL adoption				875
Ending balance	7,926	6,784	7,926	6,784	7,915
SBA—real estate
Analysis of allowance for loan losses
Beginning balance	2,793	1,218	1,657	1,607	1,607
Provision for (reversal of) credit losses	134	0	1,336	(140)
Charge-offs	0	0	(66)	(11)	(46)
Recoveries	0	0	0	0
Impact of CECL adoption				(238)
Ending balance	2,927	1,218	2,927	1,218	1,657
SBA—non-real estate
Analysis of allowance for loan losses
Beginning balance	229	67	147	207	207
Provision for (reversal of) credit losses	20	0	91	(7)
Charge-offs	0	(20)	0	(34)	(35)
Recoveries	4	8	15	31
Impact of CECL adoption				(142)
Ending balance	253	55	253	55	147
C&I
Analysis of allowance for loan losses
Beginning balance	1,663	1,270	1,215	1,643	1,643
Provision for (reversal of) credit losses	488	0	936	(53)
Charge-offs	0	0	0	0	(97)
Recoveries	0	0	0	0
Impact of CECL adoption				(320)
Ending balance	2,151	1,270	2,151	1,270	1,215
Home mortgage
Analysis of allowance for loan losses
Beginning balance	9,391	11,472	11,045	8,826	8,826
Provision for (reversal of) credit losses	108	0	(1,544)	893
Charge-offs	0	0	(2)	0	0
Recoveries	0	0	0	0
Impact of CECL adoption				1,753
Ending balance	9,499	11,472	9,499	11,472	11,045
Consumer
Analysis of allowance for loan losses
Beginning balance	9	3	14	7	7
Provision for (reversal of) credit losses	(5)	0	(10)	0
Charge-offs	0	0	0	0	0
Recoveries	0	0	0	0
Impact of CECL adoption				(4)
Ending balance	$ 4	$ 3	$ 4	$ 3	$ 14

Financing Receivable Excluding Accrued Interest Credit Loss Impact of CECL Adoption

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- Definition

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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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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