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Disclosures About Fair Value of Assets - Fair value measurements of asset (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024
Disclosures About Fair Value of Assets
Available-for-sale Debt Securities Fair Value	$ 71,123		$ 66,658
Equity securities	351		325
Mortgage servicing rights	254	$ 254	254
U.S. Government and federal agencies
Disclosures About Fair Value of Assets
Available-for-sale Debt Securities Fair Value	7,685		7,967
State and political Subdivision
Disclosures About Fair Value of Assets
Available-for-sale Debt Securities Fair Value	19,682		19,833
Recurring
Disclosures About Fair Value of Assets
Available-for-sale Debt Securities Fair Value	71,123		66,658
Mortgage servicing rights	254		254
Total assets at fair value	71,728		67,237
Recurring \| U.S. Government and federal agencies
Disclosures About Fair Value of Assets
Available-for-sale Debt Securities Fair Value	7,685		7,967
Recurring \| Mortgage-backed: GSE - residential
Disclosures About Fair Value of Assets
Available-for-sale Debt Securities Fair Value	43,756		38,858
Recurring \| State and political Subdivision
Disclosures About Fair Value of Assets
Available-for-sale Debt Securities Fair Value	19,682		19,833
Recurring \| FHLMC stock
Disclosures About Fair Value of Assets
Equity securities	289		263
Recurring \| Community Development Corp. Stock
Disclosures About Fair Value of Assets
Equity securities	62		62
Recurring \| Level 1
Disclosures About Fair Value of Assets
Available-for-sale Debt Securities Fair Value	1,107		1,626
Total assets at fair value	1,396		1,889
Recurring \| Level 1 \| U.S. Government and federal agencies
Disclosures About Fair Value of Assets
Available-for-sale Debt Securities Fair Value	1,107		1,626
Recurring \| Level 1 \| FHLMC stock
Disclosures About Fair Value of Assets
Equity securities	289		263
Recurring \| Level 2
Disclosures About Fair Value of Assets
Available-for-sale Debt Securities Fair Value	70,016		65,032
Mortgage servicing rights	254		254
Total assets at fair value	70,332		65,348
Recurring \| Level 2 \| U.S. Government and federal agencies
Disclosures About Fair Value of Assets
Available-for-sale Debt Securities Fair Value	6,578		6,341
Recurring \| Level 2 \| Mortgage-backed: GSE - residential
Disclosures About Fair Value of Assets
Available-for-sale Debt Securities Fair Value	43,756		38,858
Recurring \| Level 2 \| State and political Subdivision
Disclosures About Fair Value of Assets
Available-for-sale Debt Securities Fair Value	19,682		19,833
Recurring \| Level 2 \| Community Development Corp. Stock
Disclosures About Fair Value of Assets
Equity securities	62		62
Recurring \| Carrying Value
Disclosures About Fair Value of Assets
Available-for-sale Debt Securities Fair Value	71,123		66,658
Equity securities	351		325
Recurring \| Carrying Value \| Level 1
Disclosures About Fair Value of Assets
Available-for-sale Debt Securities Fair Value	1,107		1,626
Equity securities	289		263
Recurring \| Carrying Value \| Level 2
Disclosures About Fair Value of Assets
Available-for-sale Debt Securities Fair Value	70,016		65,032
Equity securities	$ 62		$ 62