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	12 Months Ended
Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Analysis of allowance for loan losses
Beginning balance	$ 24,796	$ 21,993	$ 21,993
Provision for (reversal of) credit losses	687	193
Charge-offs	(130)	(68)	(137)
Recoveries	15	11
Ending balance	25,368	22,129	24,796
Commercial real estate
Analysis of allowance for loan losses
Beginning balance	9,290	7,915	7,915
Provision for (reversal of) credit losses	(280)	129
Charge-offs	0	0	0
Recoveries	0	0
Ending balance	9,010	8,044	9,290
SBA—real estate
Analysis of allowance for loan losses
Beginning balance	5,557	1,657	1,657
Provision for (reversal of) credit losses	(176)	1,202
Charge-offs	0	(66)	(66)
Recoveries	0	0
Ending balance	5,381	2,793	5,557
SBA—non-real estate
Analysis of allowance for loan losses
Beginning balance	418	147	147
Provision for (reversal of) credit losses	89	71
Charge-offs	(10)	0	(27)
Recoveries	15	11
Ending balance	512	229	418
C&I
Analysis of allowance for loan losses
Beginning balance	1,844	1,215	1,215
Provision for (reversal of) credit losses	(105)	448
Charge-offs	(29)	0	(44)
Recoveries	0	0
Ending balance	1,710	1,663	1,844
Home mortgage
Analysis of allowance for loan losses
Beginning balance	7,684	11,045	11,045
Provision for (reversal of) credit losses	1,162	(1,652)
Charge-offs	(91)	(2)	0
Recoveries	0	0
Ending balance	8,755	9,391	7,684
Consumer
Analysis of allowance for loan losses
Beginning balance	3	14	14
Provision for (reversal of) credit losses	(3)	(5)
Charge-offs	0	0	0
Recoveries	0	0
Ending balance	$ 0	$ 9	$ 3

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

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

No definition available.

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- Definition

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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- Definition

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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- Definition

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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