Loans Receivable Held for Investment, Internal Risk Grading, and by Year of Origination (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	$ 73,359
2023	160,538	$ 163,853
2022	257,963	258,814
2021	192,104	195,507
2020	70,550	70,946
2019		61,790
Prior	180,274	137,667
Revolving Loans	0	0
Total Loans	934,788	888,577
Pass [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	54,811
2023	115,615	121,553
2022	217,139	218,195
2021	176,033	179,481
2020	61,653	62,328
2019		52,730
Prior	141,150	102,557
Revolving Loans	0	0
Total Loans	766,401	736,844
Watch [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	18,548
2023	43,787	42,300
2022	36,545	40,619
2021	15,007	12,437
2020	6,125	6,786
2019		8,372
Prior	17,550	13,694
Revolving Loans	0	0
Total Loans	137,562	124,208
Special Mention [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	1,136	0
2022	4,279	0
2021	0	3,589
2020	972	467
2019		325
Prior	2,802	1,460
Revolving Loans	0	0
Total Loans	9,189	5,841
Substandard [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	0	0
2022	0	0
2021	1,064	0
2020	1,800	1,365
2019		363
Prior	18,772	19,956
Revolving Loans	0	0
Total Loans	21,636	21,684
Real Estate [Member] | Single-Family [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	551	0
2022	4,135	2,474
2021	3,784	2,612
2020	4,273	4,305
2019		1,485
Prior	15,441	13,826
Revolving Loans	0	0
Total Loans	28,184	24,702
Real Estate [Member] | Single-Family [Member] | Pass [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	551	0
2022	4,135	2,474
2021	3,039	1,862
2020	2,050	2,940
2019		1,485
Prior	14,612	12,374
Revolving Loans	0	0
Total Loans	24,387	21,135
Real Estate [Member] | Single-Family [Member] | Watch [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	0	0
2022	0	0
2021	745	750
2020	869	0
2019		0
Prior	714	999
Revolving Loans	0	0
Total Loans	2,328	1,749
Real Estate [Member] | Single-Family [Member] | Special Mention [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019		0
Prior	115	116
Revolving Loans	0	0
Total Loans	115	116
Real Estate [Member] | Single-Family [Member] | Substandard [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	0	0
2022	0	0
2021	0	0
2020	1,354	1,365
2019		0
Prior	0	337
Revolving Loans	0	0
Total Loans	1,354	1,702
Real Estate [Member] | Multi-Family [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	39,797
2023	86,356	81,927
2022	187,082	187,981
2021	151,888	152,754
2020	27,195	27,356
2019		46,060
Prior	110,636	67,340
Revolving Loans	0	0
Total Loans	602,954	563,418
Real Estate [Member] | Multi-Family [Member] | Pass [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	39,797
2023	86,356	81,927
2022	182,415	183,295
2021	144,826	145,652
2020	27,195	27,356
2019		44,511
Prior	92,345	47,119
Revolving Loans	0	0
Total Loans	572,934	529,860
Real Estate [Member] | Multi-Family [Member] | Watch [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	0	0
2022	4,667	4,686
2021	6,168	6,203
2020	0	0
2019		1,186
Prior	4,377	6,474
Revolving Loans	0	0
Total Loans	15,212	18,549
Real Estate [Member] | Multi-Family [Member] | Special Mention [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	0	0
2022	0	0
2021	0	899
2020	0	0
2019		0
Prior	2,039	1,344
Revolving Loans	0	0
Total Loans	2,039	2,243
Real Estate [Member] | Multi-Family [Member] | Substandard [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	0	0
2022	0	0
2021	894	0
2020	0	0
2019		363
Prior	11,875	12,403
Revolving Loans	0	0
Total Loans	12,769	12,766
Real Estate [Member] | Commercial Real Estate [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	15,000
2023	2,635	9,881
2022	21,846	22,573
2021	25,877	26,019
2020	29,733	29,970
2019		7,043
Prior	29,626	23,950
Revolving Loans	0	0
Total Loans	124,717	119,436
Real Estate [Member] | Commercial Real Estate [Member] | Pass [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	15,000
2023	1,751	9,881
2022	21,406	22,131
2021	25,877	26,019
2020	24,477	24,684
2019		6,718
Prior	22,487	15,106
Revolving Loans	0	0
Total Loans	110,998	104,539
Real Estate [Member] | Commercial Real Estate [Member] | Watch [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	0	0
2022	440	442
2021	0	0
2020	5,256	5,286
2019		0
Prior	2,579	2,599
Revolving Loans	0	0
Total Loans	8,275	8,327
Real Estate [Member] | Commercial Real Estate [Member] | Special Mention [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	884	0
2022	0	0
2021	0	0
2020	0	0
2019		325
Prior	0	0
Revolving Loans	0	0
Total Loans	884	325
Real Estate [Member] | Commercial Real Estate [Member] | Substandard [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019		0
Prior	4,560	6,245
Revolving Loans	0	0
Total Loans	4,560	6,245
Real Estate [Member] | Church [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	2,892	2,923
2022	0	0
2021	2,196	2,210
2020	1,735	1,748
2019		636
Prior	5,750	5,200
Revolving Loans	0	0
Total Loans	12,573	12,717
Real Estate [Member] | Church [Member] | Pass [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	2,892	2,923
2022	0	0
2021	2,196	2,210
2020	1,735	1,748
2019		0
Prior	2,649	2,704
Revolving Loans	0	0
Total Loans	9,472	9,585
Real Estate [Member] | Church [Member] | Watch [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019		636
Prior	1,490	1,525
Revolving Loans	0	0
Total Loans	1,490	2,161
Real Estate [Member] | Church [Member] | Special Mention [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019		0
Prior	648	0
Revolving Loans	0	0
Total Loans	648	0
Real Estate [Member] | Church [Member] | Substandard [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019		0
Prior	963	971
Revolving Loans	0	0
Total Loans	963	971
Real Estate [Member] | Construction [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	954
2023	44,039	42,300
2022	35,405	36,288
2021	8,094	9,202
2020	0	0
2019		0
Prior	1,841	2,097
Revolving Loans	0	0
Total Loans	90,333	89,887
Real Estate [Member] | Construction [Member] | Pass [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	0	0
2022	0	1,109
2021	0	1,198
2020	0	0
2019		0
Prior	0	0
Revolving Loans	0	0
Total Loans	0	2,307
Real Estate [Member] | Construction [Member] | Watch [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	954
2023	43,787	42,300
2022	31,126	35,179
2021	8,094	5,484
2020	0	0
2019		0
Prior	1,841	2,097
Revolving Loans	0	0
Total Loans	85,802	85,060
Real Estate [Member] | Construction [Member] | Special Mention [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	252	0
2022	4,279	0
2021	0	2,520
2020	0	0
2019		0
Prior	0	0
Revolving Loans	0	0
Total Loans	4,531	2,520
Real Estate [Member] | Construction [Member] | Substandard [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019		0
Prior	0	0
Revolving Loans	0	0
Total Loans	0	0
Commercial - Other [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	17,594
2023	15,000	15,000
2022	9,345	9,389
2021	250	257
2020	7,168	7,100
2019		6,550
Prior	14,181	25,154
Revolving Loans	0	0
Total Loans	63,538	63,450
Commercial - Other [Member] | Pass [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	15,000	15,000
2022	9,033	9,077
2021	80	87
2020	6,196	5,600
2019		0
Prior	7,632	25,154
Revolving Loans	0	0
Total Loans	37,941	54,918
Commercial - Other [Member] | Watch [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	17,594
2023	0	0
2022	312	312
2021	0	0
2020	0	1,500
2019		6,550
Prior	6,549	0
Revolving Loans	0	0
Total Loans	24,455	8,362
Commercial - Other [Member] | Special Mention [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	0	0
2022	0	0
2021	0	170
2020	972	0
2019		0
Prior	0	0
Revolving Loans	0	0
Total Loans	972	170
Commercial - Other [Member] | Substandard [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	0	0
2022	0	0
2021	170	0
2020	0	0
2019		0
Prior	0	0
Revolving Loans	0	0
Total Loans	170	0
SBA Loans [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	9,065	11,809
2022	150	109
2021	15	2,453
2020	446	467
2019		16
Prior	2,799	100
Revolving Loans	0	0
Total Loans	12,475	14,954
SBA Loans [Member] | Pass [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	9,065	11,809
2022	150	109
2021	15	2,453
2020	0	0
2019		16
Prior	1,425	100
Revolving Loans	0	0
Total Loans	10,655	14,487
SBA Loans [Member] | Watch [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019		0
Prior	0	0
Revolving Loans	0	0
Total Loans	0	0
SBA Loans [Member] | Special Mention [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	0	0
2022	0	0
2021	0	0
2020	0	467
2019		0
Prior	0	0
Revolving Loans	0	0
Total Loans	0	467
SBA Loans [Member] | Substandard [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	0	0
2022	0	0
2021	0	0
2020	446	0
2019		0
Prior	1,374	0
Revolving Loans	0	0
Total Loans	1,820	0
Consumer [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	14
2023	0	13
2022	0	0
2021	0	0
2020	0	0
2019		0
Prior	0	0
Revolving Loans	0	0
Total Loans	14	13
Consumer [Member] | Pass [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	14
2023	0	13
2022	0	0
2021	0	0
2020	0	0
2019		0
Prior	0	0
Revolving Loans	0	0
Total Loans	14	13
Consumer [Member] | Watch [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019		0
Prior	0	0
Revolving Loans	0	0
Total Loans	0	0
Consumer [Member] | Special Mention [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019		0
Prior	0	0
Revolving Loans	0	0
Total Loans	0	0
Consumer [Member] | Substandard [Member]
Loans Held for Investment Portfolio by Internal Risk Grading, and by Year of Origination [Abstract]
2024	0
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019		0
Prior	0	0
Revolving Loans	0	0
Total Loans	$ 0	$ 0