Loans Held for Investment - Summary of Investment In Loans By Credit Quality Indicators by Year of Origin and Gross Charge-Offs (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Financing Receivable, Credit Quality Indicator [Line Items]
2024	$ 143,212	$ 144,580
2023	145,098	129,824
2022	123,258	60,684
2021	52,321	51,655
2020	46,407	24,366
Prior	130,752	119,146
Revolving Lines	117,017	136,363
Total	758,065	666,618
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2024	142,907	143,663
2023	141,573	126,693
2022	118,041	60,006
2021	51,178	49,089
2020	45,351	23,779
Prior	127,070	106,790
Revolving Lines	114,058	132,953
Total	740,178	642,973
Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2024	189	27
2023	0	261
2022	1,681
2021		286
2020		208
Prior	220	9,489
Revolving Lines	0	1,347
Total	2,090	11,618
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2024	42	890
2023	3,444	2,773
2022	3,526	653
2021	1,129	2,280
2020	1,056	379
Prior	3,462	2,721
Revolving Lines	2,838	1,853
Total	15,497	11,549
Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2024	74
2023	81	97
2022	10	25
2021	14
Prior		146
Revolving Lines	121	210
Total	300	478
Gross charge-offs
Financing Receivable, Credit Quality Indicator [Line Items]
2024		27
2023	123	116
2022	374	38
2021	45	34
2020	178	64
Prior	21	83
Revolving Lines	920	1,445
Total	1,661	1,807
1-4 Family Residential
Financing Receivable, Credit Quality Indicator [Line Items]
2024	15,139	59,021
2023	65,145	73,774
2022	70,052	35,658
2021	31,886	23,123
2020	22,252	6,617
Prior	50,168	50,413
Revolving Lines		291
Total	254,642	248,897
1-4 Family Residential | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2024	15,139	58,213
2023	61,966	71,746
2022	66,541	35,005
2021	30,758	22,795
2020	22,112	6,493
Prior	47,915	47,727
Revolving Lines		291
Total	244,431	242,270
1-4 Family Residential | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2023		261
2022	257
Prior	32	95
Total	289	356
1-4 Family Residential | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2024		808
2023	3,179	1,767
2022	3,254	653
2021	1,128	328
2020	140	124
Prior	2,221	2,591
Total	9,922	6,271
Residential Construction
Financing Receivable, Credit Quality Indicator [Line Items]
2024	23,044	14,585
2023	11,095	1,179
Total	34,139	15,764
Residential Construction | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2024	23,044	14,585
2023	11,095	1,179
Total	34,139	15,764
Commercial Real Estate
Financing Receivable, Credit Quality Indicator [Line Items]
2024	50,394	42,867
2023	47,231	43,365
2022	40,122	11,703
2021	11,240	19,314
2020	18,086	14,490
Prior	73,990	61,991
Revolving Lines		12,537
Total	241,063	206,267
Commercial Real Estate | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2024	50,394	42,867
2023	47,231	43,365
2022	40,122	11,703
2021	11,240	17,491
2020	17,629	14,490
Prior	73,990	52,597
Revolving Lines	0	12,537
Total	240,606	195,050
Commercial Real Estate | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Prior		9,394
Total		9,394
Commercial Real Estate | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2021		1,823
2020	457
Total	457	1,823
Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
2024	39,571	9,334
2023	4,306	2,543
2022	7,757	5,961
2021	8,062	4,872
2020	5,500	1,057
Prior	5,565	1,438
Revolving Lines	24,220	44,414
Total	94,981	69,619
Commercial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2024	39,529	9,265
2023	4,011	2,120
2022	6,107	5,936
2021	8,062	4,457
2020	5,041	769
Prior	4,138	1,292
Revolving Lines	23,556	41,555
Total	90,444	65,394
Commercial | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2022	1,424
2021		286
2020		208
Prior	188
Revolving Lines	0	1,281
Total	1,612	1,775
Commercial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2024	42	69
2023	250	326
2022	226
2021		129
2020	459	80
Prior	1,239
Revolving Lines	566	1,405
Total	2,782	2,009
Commercial | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2023	45	97
2022		25
Prior		146
Revolving Lines	98	173
Total	143	441
Home Equity
Financing Receivable, Credit Quality Indicator [Line Items]
2024	4,592	10,399
2023	7,597	7,406
2022	1,689	6,218
2021	73	4,119
2020	62	2,036
Prior	1,022	5,248
Revolving Lines	91,515	62,905
Total	106,550	98,331
Home Equity | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2024	4,592	10,399
2023	7,597	6,726
2022	1,643	6,218
2021	73	4,119
2020	62	1,861
Prior	1,020	5,118
Revolving Lines	89,267	62,361
Total	104,254	96,802
Home Equity | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Revolving Lines		66
Total		66
Home Equity | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2023		680
2022	46
2020		175
Prior	2	130
Revolving Lines	2,225	441
Total	2,273	1,426
Home Equity | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Revolving Lines	23	37
Total	23	37
Other Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2024	10,472	8,374
2023	9,724	1,557
2022	3,638	1,144
2021	1,060	227
2020	507	166
Prior	7	56
Revolving Lines	1,282	16,216
Total	26,690	27,740
Other Consumer | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2024	10,209	8,334
2023	9,673	1,557
2022	3,628	1,144
2021	1,045	227
2020	507	166
Prior	7	56
Revolving Lines	1,235	16,209
Total	26,304	27,693
Other Consumer | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2024	189	27
2023	0
Total	189	27
Other Consumer | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2024		13
2023	15
2022	0
2021	1
Revolving Lines	47	7
Total	63	$ 20
Other Consumer | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2024	74
2023	36
2022	10
2021	14
Total	$ 134