Loans - Summary of loan compositions by class (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024	Mar. 31, 2023
Loans and Leases Receivable Disclosure [Line Items]
Total loans held for investment	$ 1,415,494	$ 1,396,774
Deferred loan fees and unearned premiums, net	364	247
Allowance for credit losses	(19,461)	(20,979)	$ (17,523)	$ (16,631)
Loans, net of allowance	1,396,397	1,376,042
Real Estate
Loans and Leases Receivable Disclosure [Line Items]
Total loans held for investment	462,648	456,868
Real Estate \| Multifamily
Loans and Leases Receivable Disclosure [Line Items]
Total loans held for investment	364,877	355,165
Allowance for credit losses	(4,207)	(5,116)	(3,311)	(3,236)
Real Estate \| Commercial Real Estate
Loans and Leases Receivable Disclosure [Line Items]
Total loans held for investment	86,797	87,038
Allowance for credit losses	(663)	(691)	(791)	(823)
Real Estate \| 1-4 Family
Loans and Leases Receivable Disclosure [Line Items]
Total loans held for investment	10,974	14,665
Allowance for credit losses	(45)	(52)	(61)	(58)
Commercial
Loans and Leases Receivable Disclosure [Line Items]
Total loans held for investment	934,141	920,567
Allowance for credit losses	(13,828)	(14,283)	(12,631)	(12,056)
Consumer
Loans and Leases Receivable Disclosure [Line Items]
Total loans held for investment	18,705	19,339
Allowance for credit losses	$ (718)	$ (837)	$ (729)	$ (458)

Amount of allowance for credit loss on net investment in sales-type and direct financing leases.

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Amount, excluding accrued interest, of allowance for credit loss on net investment in sales-type and direct financing leases.

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- Definition

Amount, before allowance for credit losses and deferred fees and premiums, of net investment in sales-type and direct financing leases.

+ References

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Amount, after allowance for credit loss, of net investment in sales-type and direct financing leases.

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