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
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-Section 45
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Section 50
-Paragraph 4
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Loans Receivable and the Allowance for Credit Losses - Summary of composition of loans (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023
Loans Receivable and the Allowance for Credit Losses
Loans receivable	$ 1,797,618		$ 1,812,647
Deferred loan fees, net	(62)		(49)
Allowance for credit losses	(4,724)	$ (5,127)	(4,830)	$ (4,915)	$ (4,927)	$ (5,093)
Net loans	1,792,832		1,807,768
Residential real estate
Loans Receivable and the Allowance for Credit Losses
Loans receivable	322,039		236,649
Allowance for credit losses	(1,979)	(2,224)	(1,900)	(2,024)	(2,229)	(2,433)
Residential real estate \| One-to-four family
Loans Receivable and the Allowance for Credit Losses
Loans receivable	3,398		3,472
Residential real estate \| Multi-family
Loans Receivable and the Allowance for Credit Losses
Loans receivable	292,552		206,606
Residential real estate \| Mixed-use
Loans Receivable and the Allowance for Credit Losses
Loans receivable	26,089		26,571
Non-residential real estate
Loans Receivable and the Allowance for Credit Losses
Loans receivable	28,971		29,446
Allowance for credit losses	(229)	(271)	(308)	(379)	(110)	(126)
Construction
Loans Receivable and the Allowance for Credit Losses
Loans receivable	1,323,477		1,426,167
Allowance for credit losses	(1,792)	(1,716)	(1,937)	(1,868)	(1,969)	(1,914)
Commercial and industrial
Loans Receivable and the Allowance for Credit Losses
Loans receivable	123,084		118,736
Allowance for credit losses	(677)	(606)	(520)	(477)	(422)	(472)
Consumer
Loans Receivable and the Allowance for Credit Losses
Loans receivable	47		1,649
Allowance for credit losses	$ (47)	$ (310)	$ (165)	$ (167)	$ (197)	$ (148)