Fair Value of Financial Instruments - Schedule of Fair Value of Financial Instruments (Details) - USD ($)	Sep. 30, 2025	Dec. 31, 2024
Fair Value, Option, Quantitative Disclosures [Line Items]
Interest-earning time deposits	$ 22,848,985	$ 12,770,650
Held to maturity securities	2,724,000	3,421,000
Quoted Prices in Active Markets for Identical Assets (Level 1) | Financial assets
Fair Value, Option, Quantitative Disclosures [Line Items]
Cash and cash equivalents	34,265,000	21,757,000
Interest-earning time deposits		0
Available for sale securities	794,000	3,161,000
Held to maturity securities	0	0
Loans held for sale	0	0
Loans and leases receivable, net	0	0
FHLB stock	0	0
Interest receivable	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Financial liabilities
Fair Value, Option, Quantitative Disclosures [Line Items]
Deposits	0	0
FHLB advances	0	0
Interest payable	0	0
Significant Other Observable Inputs (Level 2) | Financial assets
Fair Value, Option, Quantitative Disclosures [Line Items]
Cash and cash equivalents	0	0
Interest-earning time deposits		300,000
Available for sale securities	248,330,000	255,031,000
Held to maturity securities	2,724,000	3,421,000
Loans held for sale	0	0
Loans and leases receivable, net	0	0
FHLB stock	13,907,000	13,907,000
Interest receivable	5,832,000	6,030,000
Significant Other Observable Inputs (Level 2) | Financial liabilities
Fair Value, Option, Quantitative Disclosures [Line Items]
Deposits	1,120,561,000	1,095,961,000
FHLB advances	254,734,000	264,162,000
Interest payable	2,914,000	4,832,000
Significant Unobservable Inputs (Level 3) | Financial assets
Fair Value, Option, Quantitative Disclosures [Line Items]
Cash and cash equivalents	0	0
Interest-earning time deposits		0
Available for sale securities	1,325,000	0
Held to maturity securities	0	0
Loans held for sale	1,441,000	1,093,000
Loans and leases receivable, net	1,145,219,000	1,099,274,000
FHLB stock	0	0
Interest receivable	0	0
Significant Unobservable Inputs (Level 3) | Financial liabilities
Fair Value, Option, Quantitative Disclosures [Line Items]
Deposits	0	0
FHLB advances	0	0
Interest payable	0	0
Carrying Value | Financial assets
Fair Value, Option, Quantitative Disclosures [Line Items]
Cash and cash equivalents	34,265,000	21,757,000
Interest-earning time deposits		300,000
Available for sale securities	250,449,000	258,192,000
Held to maturity securities	2,772,000	3,498,000
Loans held for sale	1,441,000	1,093,000
Loans and leases receivable, net	1,178,232,000	1,158,879,000
FHLB stock	13,907,000	13,907,000
Interest receivable	5,832,000	6,030,000
Carrying Value | Financial liabilities
Fair Value, Option, Quantitative Disclosures [Line Items]
Deposits	1,118,258,000	1,093,940,000
FHLB advances	254,000,000	265,000,000
Interest payable	$ 2,914,000	$ 4,832,000