v3.25.3

Loans and Allowance for Credit Losses - Additional Information (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2025 USD ($) Loan	Sep. 30, 2024 Loan	Sep. 30, 2025 USD ($) Loan	Sep. 30, 2024 Loan	Jun. 30, 2025 USD ($)	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Financing Receivable Recorded Investment Past Due [Line Items]
Accrued interest on loans	$ 2,200,000		$ 2,200,000				$ 2,300,000
Financing Receivable, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]	Other Assets		Other Assets				Other Assets
Collateral-dependent loans without an allowance	$ 2,400,000		$ 2,400,000				$ 2,000,000
Collateral dependent loans with an allowance	0		0				$ 0
Commercial (Secured by Real Estate - Owner Occupied)
Financing Receivable Recorded Investment Past Due [Line Items]
Financing receivable, loan modification			$ 1,800,000
Financing receivable, loan modification with fixed payments					$ 7,500	$ 5,000
Commercial
Financing Receivable Recorded Investment Past Due [Line Items]
Financing receivable, loan modification	$ 574,000
Residential Mortgage
Financing Receivable Recorded Investment Past Due [Line Items]
Troubled debt restructurings that have subsequently defaulted, number of contracts \| Loan	0	0	0	0

Collateral-dependent loans with no related allowance.

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Indicates line item in statement of financial position that includes accrued interest, after allowance for credit loss, on financing receivable.

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Affinity Bancshares, Inc. 10-Q