Loans Receivable, Net and Allowance for Credit Losses - Schedule of Composition of Allowance for Credit Losses on Loans and Related Recorded Investment in Loans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Financing Receivable Allowance For Credit Losses [Line Items]
Balance, beginning of period	$ 22,974	$ 24,664	$ 22,502	$ 26,154	$ 26,154
(Benefit) provision charged to expense	1,348	(120)	2,079	(375)	1,516
Charge-offs	(222)	(747)	(485)	(2,101)	(5,889)
Recoveries		264	4	383	721
Balance, end of period	24,100	24,061	24,100	24,061	22,502
Ending balance: individually evaluated for impairment	276	477	276	477	343
Ending balance: collectively evaluated for impairment	23,824	23,584	23,824	23,584	22,159
Ending balance: individually evaluated for impairment	19,474	14,091	19,474	14,091	22,966
Ending balance: collectively evaluated for impairment	2,462,732	2,030,998	2,462,732	2,030,998	2,285,054
Total	2,482,206	2,045,089	2,482,206	2,045,089	2,308,020
1-4 Family Investor Owned
Financing Receivable Allowance For Credit Losses [Line Items]
Balance, beginning of period	3,307	4,257	4,148	4,415	4,415
(Benefit) provision charged to expense	(706)	(69)	(1,547)	(227)	(267)
Balance, end of period	2,601	4,188	2,601	4,188	4,148
Ending balance: collectively evaluated for impairment	2,601	4,188	2,601	4,188	4,148
Ending balance: individually evaluated for impairment	1,859	436	1,859	436	436
Ending balance: collectively evaluated for impairment	315,629	336,856	315,629	336,856	329,617
Total	317,488	337,292	317,488	337,292	330,053
1-4 Family Owner-Occupied
Financing Receivable Allowance For Credit Losses [Line Items]
Balance, beginning of period	1,194	1,963	1,784	2,012	2,012
(Benefit) provision charged to expense	(112)	(17)	(664)	(66)	(228)
Charge-offs			(38)
Balance, end of period	1,082	1,946	1,082	1,946	1,784
Ending balance: individually evaluated for impairment		81		81
Ending balance: collectively evaluated for impairment	1,082	1,865	1,082	1,865	1,784
Ending balance: individually evaluated for impairment	424	1,870	424	1,870	1,858
Ending balance: collectively evaluated for impairment	134,438	145,615	134,438	145,615	140,505
Total	134,862	147,485	134,862	147,485	142,363
Multifamily
Financing Receivable Allowance For Credit Losses [Line Items]
Balance, beginning of period	7,840	4,214	5,004	4,365	4,365
(Benefit) provision charged to expense	1,023	(29)	3,859	(180)	639
Balance, end of period	8,863	4,185	8,863	4,185	5,004
Ending balance: collectively evaluated for impairment	8,863	4,185	8,863	4,185	5,004
Ending balance: individually evaluated for impairment	11,703	5,754	11,703	5,754	10,271
Ending balance: collectively evaluated for impairment	681,967	539,569	681,967	539,569	659,888
Total	693,670	545,323	693,670	545,323	670,159
Nonresidential
Financing Receivable Allowance For Credit Losses [Line Items]
Balance, beginning of period	2,997	2,236	2,697	3,176	3,176
(Benefit) provision charged to expense	297	61	597	(879)	(472)
Charge-offs					(7)
Balance, end of period	3,294	2,297	3,294	2,297	2,697
Ending balance: collectively evaluated for impairment	3,294	2,297	3,294	2,297	2,697
Ending balance: individually evaluated for impairment	405	828	405	828
Ending balance: collectively evaluated for impairment	404,107	336,755	404,107	336,755	389,898
Total	404,512	337,583	404,512	337,583	389,898
Construction and Land
Financing Receivable Allowance For Credit Losses [Line Items]
Balance, beginning of period	6,646	6,403	7,710	4,807	4,807
(Benefit) provision charged to expense	249	393	(815)	1,989	2,903
Balance, end of period	6,895	6,796	6,895	6,796	7,710
Ending balance: collectively evaluated for impairment	6,895	6,796	6,895	6,796	7,710
Ending balance: individually evaluated for impairment	4,807	4,807	4,807	4,807	10,058
Ending balance: collectively evaluated for impairment	878,655	637,072	878,655	637,072	723,602
Total	883,462	641,879	883,462	641,879	733,660
Business Loans
Financing Receivable Allowance For Credit Losses [Line Items]
Balance, beginning of period	947	561	1,113	531	531
(Benefit) provision charged to expense	620	418	672	500	1,307
Charge-offs	(222)		(444)	(52)	(734)
Recoveries		8	4	8	9
Balance, end of period	1,345	987	1,345	987	1,113
Ending balance: individually evaluated for impairment	276	396	276	396	343
Ending balance: collectively evaluated for impairment	1,069	591	1,069	591	770
Ending balance: individually evaluated for impairment	276	396	276	396	343
Ending balance: collectively evaluated for impairment	47,096	29,826	47,096	29,826	40,506
Total	47,372	30,222	47,372	30,222	40,849
Consumer
Financing Receivable Allowance For Credit Losses [Line Items]
Balance, beginning of period	43	5,030	46	6,848	6,848
(Benefit) provision charged to expense	(23)	(877)	(23)	(1,512)	(2,366)
Charge-offs		(747)	(3)	(2,049)	(5,148)
Recoveries		256		375	712
Balance, end of period	20	3,662	20	3,662	46
Ending balance: collectively evaluated for impairment	20	3,662	20	3,662	46
Ending balance: collectively evaluated for impairment	840	5,305	840	5,305	1,038
Total	$ 840	$ 5,305	$ 840	$ 5,305	$ 1,038