Credit Quality and Allowance for Credit Losses - Summary of Allowance for Credit Losses and Recorded Investment in Loans (Details) $ in Thousands	Mar. 31, 2026 USD ($) loan	Dec. 31, 2025 USD ($) loan	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Financing Receivable, Allowance for Credit Losses [Line Items]
Collectively evaluated for impairment, including unfunded lending commitments, total allowance for credit losses	$ 31,456	$ 31,877
Individually evaluated for impairment, Allowance for loan losses	2,224	1,265
Allowance for loan losses	33,680	33,142	$ 33,278	$ 32,916
Collectively evaluated for impairment, including unfunded lending commitments, total allowance for credit losses	33,081	33,502
Individually evaluated for impairment, including unfunded lending commitments, total allowance for credit losses	2,224	1,265
Total allowance for credit losses	35,305	34,767
Collectively evaluated for impairment, Recorded investment in loans	2,718,122	2,737,817
Individually evaluated for impairment, Recorded investment in loans	10,024	6,206
Total loans	$ 2,728,146	$ 2,744,023
PCD Loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of loans \| loan	1	1
Unfunded lending commitments
Financing Receivable, Allowance for Credit Losses [Line Items]
Collectively evaluated for impairment, including unfunded lending commitments, total allowance for credit losses	$ 1,625	$ 1,625
Individually evaluated for impairment, Allowance for loan losses	0	0
Allowance for loan losses	1,625	1,625	2,700	2,700
One- to four-family first mortgage
Financing Receivable, Allowance for Credit Losses [Line Items]
Collectively evaluated for impairment, including unfunded lending commitments, total allowance for credit losses	4,451	4,651
Individually evaluated for impairment, Allowance for loan losses	411	411
Allowance for loan losses	4,862	5,062	4,459	4,430
Collectively evaluated for impairment, Recorded investment in loans	473,203	491,142
Individually evaluated for impairment, Recorded investment in loans	2,876	2,304
Total loans	476,079	493,446
Home equity loans and lines
Financing Receivable, Allowance for Credit Losses [Line Items]
Collectively evaluated for impairment, including unfunded lending commitments, total allowance for credit losses	1,333	1,335
Individually evaluated for impairment, Allowance for loan losses	0	0
Allowance for loan losses	1,333	1,335	795	801
Collectively evaluated for impairment, Recorded investment in loans	91,550	92,574
Individually evaluated for impairment, Recorded investment in loans	0	0
Total loans	91,550	92,574
Commercial real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Collectively evaluated for impairment, including unfunded lending commitments, total allowance for credit losses	13,799	14,141
Individually evaluated for impairment, Allowance for loan losses	522	362
Allowance for loan losses	14,321	14,503	13,917	13,521
Collectively evaluated for impairment, Recorded investment in loans	1,180,347	1,188,226
Individually evaluated for impairment, Recorded investment in loans	2,154	2,162
Total loans	1,182,501	1,190,388
Construction and land
Financing Receivable, Allowance for Credit Losses [Line Items]
Collectively evaluated for impairment, including unfunded lending commitments, total allowance for credit losses	3,099	2,813
Individually evaluated for impairment, Allowance for loan losses	170	0
Allowance for loan losses	3,269	2,813	5,383	5,484
Collectively evaluated for impairment, Recorded investment in loans	337,075	328,707
Individually evaluated for impairment, Recorded investment in loans	2,982	520
Total loans	340,057	329,227
Multi-family residential
Financing Receivable, Allowance for Credit Losses [Line Items]
Collectively evaluated for impairment, including unfunded lending commitments, total allowance for credit losses	1,335	1,363
Individually evaluated for impairment, Allowance for loan losses	136	136
Allowance for loan losses	1,471	1,499	1,088	1,090
Collectively evaluated for impairment, Recorded investment in loans	179,379	177,222
Individually evaluated for impairment, Recorded investment in loans	603	603
Total loans	179,982	177,825
Commercial and industrial
Financing Receivable, Allowance for Credit Losses [Line Items]
Collectively evaluated for impairment, including unfunded lending commitments, total allowance for credit losses	6,620	6,782
Individually evaluated for impairment, Allowance for loan losses	985	356
Allowance for loan losses	7,605	7,138	6,739	6,861
Collectively evaluated for impairment, Recorded investment in loans	426,666	429,900
Individually evaluated for impairment, Recorded investment in loans	1,409	617
Total loans	428,075	430,517
Consumer
Financing Receivable, Allowance for Credit Losses [Line Items]
Collectively evaluated for impairment, including unfunded lending commitments, total allowance for credit losses	819	792
Individually evaluated for impairment, Allowance for loan losses	0	0
Allowance for loan losses	819	792	$ 897	$ 729
Collectively evaluated for impairment, Recorded investment in loans	29,902	30,046
Individually evaluated for impairment, Recorded investment in loans	0	0
Total loans	$ 29,902	$ 30,046

Financing Receivable, Allowance for Credit Loss, Including Lending Commitments

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