Loans and Allowance for Credit Losses - Risk Category of Loans and Gross Charge-offs (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, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Total	$ 297,248		$ 297,248		$ 296,930
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Total	11	$ 30	24	$ 69
Construction and Land loan
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	10,890		10,890		26,187
2024/2023	23,450		23,450		21,142
2023/2022	15,563		15,563		4,197
2022/2021	1,692		1,692		920
2021/2020	903		903		550
Prior	1,497		1,497		1,140
Total	53,995		53,995		54,136
Construction and Land loan \| Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	10,890		10,890		26,157
2024/2023	20,650		20,650		14,188
2023/2022	9,363		9,363		4,197
2022/2021	1,692		1,692		619
2021/2020	602		602		550
Prior	1,497		1,497		1,140
Total	44,694		44,694		46,851
Construction and Land loan \| Special Mention
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023					6,200
Total					6,200
Construction and Land loan \| Substandard
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024					30
2024/2023	2,800		2,800		754
2023/2022	6,200		6,200
2022/2021					301
2021/2020	301		301
Total	9,301		9,301		1,085
Farmland loan
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	762		762		3,141
2024/2023	3,025		3,025		1,708
2023/2022	1,680		1,680		1,804
2022/2021	1,632		1,632		284
2021/2020	275		275		486
Prior	2,429		2,429		2,117
Total	9,803		9,803		9,540
Farmland loan \| Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	762		762		3,141
2024/2023	3,025		3,025		1,708
2023/2022	1,680		1,680		1,804
2022/2021	1,632		1,632		284
2021/2020	275		275		486
Prior	2,429		2,429		2,117
Total	9,803		9,803		9,540
1-4 residential & multi-family
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	7,228		7,228		16,084
2024/2023	12,651		12,651		30,839
2023/2022	30,464		30,464		19,099
2022/2021	17,888		17,888		28,452
2021/2020	27,649		27,649		38,017
Prior	56,927		56,927		23,577
Total	152,807		152,807		156,068
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2024/2023					16
2023/2022			3
Total			3		16
1-4 residential & multi-family \| Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	7,228		7,228		16,084
2024/2023	12,651		12,651		30,595
2023/2022	28,835		28,835		19,099
2022/2021	17,888		17,888		28,452
2021/2020	27,403		27,403		37,925
Prior	55,811		55,811		22,283
Total	149,816		149,816		154,438
1-4 residential & multi-family \| Special Mention
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023					219
2023/2022	218		218
2021/2020	246		246
Prior	368		368		198
Total	832		832		417
1-4 residential & multi-family \| Substandard
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023					25
2023/2022	1,411		1,411
2021/2020					92
Prior	748		748		1,096
Total	2,159		2,159		1,213
Commercial real estate
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	3,137		3,137		15,600
2024/2023	14,839		14,839		13,526
2023/2022	13,290		13,290		5,160
2022/2021	5,044		5,044		7,079
2021/2020	6,951		6,951		2,953
Prior	14,274		14,274		11,750
Total	57,535		57,535		56,068
Commercial real estate \| Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	3,137		3,137		15,600
2024/2023	14,839		14,839		13,526
2023/2022	13,290		13,290		5,160
2022/2021	5,044		5,044		7,079
2021/2020	6,951		6,951		2,953
Prior	13,550		13,550		11,007
Total	56,811		56,811		55,325
Commercial real estate \| Special Mention
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Prior	678		678		301
Total	678		678		301
Commercial real estate \| Substandard
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Prior	46		46		442
Total	46		46		442
Agriculture loan
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	32		32
2024/2023					40
2023/2022	32		32		1
2022/2021					14
2021/2020	10		10
Total	74		74		55
Agriculture loan \| Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	32		32
2024/2023					40
2023/2022	32		32		1
2022/2021					14
2021/2020	10		10
Total	74		74		55
Commercial loan
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	903		903		3,474
2024/2023	2,327		2,327		910
2023/2022	592		592		345
2022/2021	275		275		930
2021/2020	799		799		151
Prior	483		483		505
Total	5,379		5,379		6,315
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2025/2024					84
Total					84
Commercial loan \| Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	903		903		3,443
2024/2023	2,287		2,287		910
2023/2022	592		592		345
2022/2021	275		275		86
2021/2020	39		39		94
Prior	212		212		265
Total	4,308		4,308		5,143
Commercial loan \| Special Mention
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024					8
2024/2023	5		5
Total	5		5		8
Commercial loan \| Substandard
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024					23
2024/2023	35		35
2022/2021					844
2021/2020	760		760		57
Prior	271		271		240
Total	1,066		1,066		1,164
Municipalities
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	4,079		4,079		8,408
2024/2023	8,264		8,264		845
2023/2022	845		845
Total	13,188		13,188		9,253
Municipalities \| Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	4,079		4,079		8,408
2024/2023	8,264		8,264		845
2023/2022	845		845
Total	13,188		13,188		9,253
Consumer and other loan
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	869		869		3,375
2024/2023	2,268		2,268		909
2023/2022	536		536		375
2022/2021	235		235		823
2021/2020	557		557		13
Prior	2		2
Total	4,467		4,467		5,495
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2025/2024			21		66
2024/2023					14
2023/2022					6
Total			21		86
Consumer and other loan \| Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	869		869		3,373
2024/2023	2,267		2,267		906
2023/2022	535		535		374
2022/2021	235		235		823
2021/2020	557		557		13
Prior	2		2
Total	4,465		4,465		5,489
Consumer and other loan \| Special Mention
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024					2
2024/2023	1		1		3
2023/2022	1		1		1
Total	$ 2		$ 2		$ 6

Texas Community Bancshares, Inc. 10-Q