LOANS - Credit Quality Indicators (Details) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2025 USD ($) loan	Dec. 31, 2024 USD ($)
Loans to customers
Total loans	$ 209,851	$ 202,695
Special Mention
Current period gross write-offs
Increase due to downgrading	$ 2,100	2,700
Mortgage loans on real estate portfolio segment \| Commercial \| Special Mention
Current period gross write-offs
Number of loans downgraded \| loan	1
Mortgage loans on real estate
Loans to customers
Total loans	$ 181,581	173,945
Mortgage loans on real estate \| One-to four-family first lien residential
Loans to customers
2025/2024	854	5,633
2024/2023	2,908	12,938
2023/2022	11,076	18,451
2022/2021	17,336	11,101
2021/2020	10,727	7,929
Prior	53,470	45,184
Total loans	96,371	101,236
Mortgage loans on real estate \| One-to four-family first lien residential \| Pass
Loans to customers
2025/2024	854	5,633
2024/2023	2,908	12,938
2023/2022	11,076	18,451
2022/2021	17,336	11,101
2021/2020	10,727	7,929
Prior	53,470	45,184
Total loans	96,371	101,236
Mortgage loans on real estate \| Residential construction
Loans to customers
2025/2024		1,006
2024/2023	757
2023/2022		120
2022/2021	117
2021/2020		101
Prior	152	61
Total loans	1,026	1,288
Mortgage loans on real estate \| Residential construction \| Pass
Loans to customers
2025/2024		1,006
2024/2023	757
2023/2022		120
2022/2021	117
2021/2020		101
Prior	152	61
Total loans	1,026	1,288
Mortgage loans on real estate \| Home equity loans and lines of credit
Loans to customers
2025/2024	89	768
2024/2023	651
Prior	63	65
Revolving Loans Amortized Cost Basis	13,366	10,895
Revolving Loans Converted to Term Loans Amortized Cost Basis	112	188
Total loans	14,281	11,916
Mortgage loans on real estate \| Home equity loans and lines of credit \| Pass
Loans to customers
2025/2024	89	768
2024/2023	651
Prior	63	65
Revolving Loans Amortized Cost Basis	13,366	10,895
Revolving Loans Converted to Term Loans Amortized Cost Basis	112	188
Total loans	14,281	11,916
Mortgage loans on real estate \| Commercial
Loans to customers
2025/2024	13,177	10,109
2024/2023	10,076	12,513
2023/2022	12,034	8,375
2022/2021	8,127	6,939
2021/2020	6,762	4,531
Prior	19,727	17,038
Total loans	69,903	59,505
Mortgage loans on real estate \| Commercial \| Pass
Loans to customers
2025/2024	13,177	9,609
2024/2023	8,998	12,513
2023/2022	12,034	8,375
2022/2021	8,127	6,939
2021/2020	6,762	4,434
Prior	18,062	15,124
Total loans	67,160	56,994
Mortgage loans on real estate \| Commercial \| Special Mention
Loans to customers
2024/2023	583
Total loans	583
Mortgage loans on real estate \| Commercial \| Substandard
Loans to customers
2025/2024		500
2024/2023	495
2021/2020		97
Prior	1,665	1,914
Total loans	2,160	2,511
Commercial and industrial loans
Loans to customers
2025/2024	3,230	6,883
2024/2023	6,194	5,802
2023/2022	4,484	5,975
2022/2021	5,061	1,656
2021/2020	1,580	1,502
Prior	2,658	1,593
Total loans	23,207	23,411
Current period gross write-offs
2024/2023		31
2023/2022	644
2022/2021	7	25
2021/2020	4
Prior	(2)	22
Total loans	653	78
Commercial and industrial loans \| Pass
Loans to customers
2025/2024	3,230	6,145
2024/2023	5,208	5,802
2023/2022	4,374	5,975
2022/2021	3,405	1,656
2021/2020	1,580	1,502
Prior	2,658	1,593
Total loans	20,455	22,673
Commercial and industrial loans \| Special Mention
Loans to customers
2024/2023	324
2023/2022	110
2022/2021	1,656
Total loans	$ 2,090
Current period gross write-offs
Number of loans downgraded \| loan	9
Commercial and industrial loans \| Substandard
Loans to customers
2025/2024		738
2024/2023	$ 662
Total loans	662	738
Consumer loans
Loans to customers
2025/2024	498	2,536
2024/2023	2,034	1,038
2023/2022	865	1,406
2022/2021	1,054	271
2021/2020	250	47
Prior	268	41
Revolving Loans Amortized Cost Basis	93
Revolving Loans Converted to Term Loans Amortized Cost Basis	1
Total loans	5,063	5,339
Current period gross write-offs
2025/2024		4
2024/2023	15	10
2023/2022	6	4
Total loans	21	18
Consumer loans \| Pass
Loans to customers
2025/2024	498	2,536
2024/2023	2,034	1,038
2023/2022	865	1,406
2022/2021	1,054	271
2021/2020	250	47
Prior	268	41
Revolving Loans Amortized Cost Basis	93
Revolving Loans Converted to Term Loans Amortized Cost Basis	1
Total loans	$ 5,063	$ 5,339

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Amount, excluding accrued interest, of decrease (increase) in allowance for credit loss on financing receivable from writeoff (recovery). Excludes net investment in lease.

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Amortized cost excluding accrued interest, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes net investment in lease.

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Amortized cost excluding accrued interest, of financing receivable originated more than five years prior to current fiscal year. Excludes net investment in lease.

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Amortized cost excluding accrued interest, of financing receivable that can be withdrawn, repaid, and redrawn.

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Amortized cost excluding accrued interest, of financing receivable originated four years prior to current fiscal year. Excludes net investment in lease.

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Amortized cost excluding accrued interest, of financing receivable originated three years prior to current fiscal year. Excludes net investment in lease.

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Amount, excluding accrued interest, of writeoff of financing receivable originated three years before current fiscal year. Excludes net investment in lease.

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Amortized cost excluding accrued interest, of financing receivable originated in current fiscal year. Excludes net investment in lease.

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Amount, excluding accrued interest, of writeoff of financing receivable originated in current fiscal year. Excludes net investment in lease.

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Amortized cost excluding accrued interest, of financing receivable originated two years prior to current fiscal year. Excludes net investment in lease.

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