Investment Securities - Schedule of Held-to-Maturity Credit Quality Indicators (Details) - USD ($)	Sep. 30, 2025	Dec. 31, 2024
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Investment securities - held to maturity	$ 2,771,714	$ 3,497,913
State and municipal obligations
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Investment securities - held to maturity	2,772,000	3,498,000
State and municipal obligations | AA+
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Investment securities - held to maturity	350,000	483,000
State and municipal obligations | AA
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Investment securities - held to maturity	0	0
State and municipal obligations | AA-
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Investment securities - held to maturity	0	295,000
State and municipal obligations | A+
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Investment securities - held to maturity	375,000	605,000
State and municipal obligations | BBB+
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Investment securities - held to maturity	0	0
State and municipal obligations | Not rated
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Investment securities - held to maturity	$ 2,047,000	$ 2,115,000