v3.25.2

Nature of Operations and Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2025	Dec. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Securities held for trading	$ 0	$ 0
Credit-related impairments on debt securities	0	0
Loans held for sale	179,869	0
Accrued interest receivable on held-to-maturity securities	1,000	3,000
Allowance for credit losses on held-to-maturity securities	0	0
Allowance for credit losses on available-for-sale securities	0	0
Accrued interest receivable on available-for-sale securities	144,000	180,000
Accrued interest receivable on loans	$ 453,000	$ 521,000

Credit-related impairments on debt securities.

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Amount, after allowance for credit loss, of accrued interest on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Security Midwest Bancorp, Inc. 10-Q