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v3.25.3

Securities - Additional Information (Detail) - USD ($) | 3 Months Ended |
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Jun. 30, 2025
Debt Securities, Available-for-sale [Line Items] |  |  |
Accrued interest receivable | $ 483,000 |  |
Mortgage-backed securities with a book value | 210,449,000 |  | $ 210,889,000
Fair Value | $ 189,824,000 |  | 187,753,000
Percentage of equity securities | 10.00% |  |
Repurchase agreements | $ 18,130,000 |  | 18,795,000
Gross gains from sales of available for sale securities | 0 | $ 30,000 |
Gross losses from sales of available for sale securities | 114,000 | 101,000 |
Tax benefit to net realized gains (losses) | (32,000) | (20,000) |
Investments in debt and marketable equity securities | $ 170,989,000 |  | $ 173,405,000
Temporarily impaired debt securities percentage of investment securities portfolio | 90.00% |  | 92.00%
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] | Interest Receivable |  |
Asset Pledged as Collateral with Right [Member] |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Carrying value of securities pledged as collateral | $ 70,859,000 |  | $ 102,268,000
Tax benefit to net realized gains (losses) | 32,000 | $ 20,000 |
Maturity Overnight [Member] |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Repurchase agreements | 18,100,000 |  |
Mortgage-backed securities – GSE residential [Member] |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Mortgage-backed securities with a book value | 193,235,000 |  | 192,261,000
Fair Value | 174,345,000 |  | 171,079,000
Investments in debt and marketable equity securities | 157,258,000 |  | 158,479,000
Small Business Administration [Member] |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Mortgage-backed securities with a book value | 14,473,000 |  | 14,894,000
Fair Value | 12,815,000 |  | 13,114,000
Investments in debt and marketable equity securities | 12,815,000 |  | 13,114,000
Debt Securities [Member] |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Investments in debt and marketable equity securities | $ 170,989,000 |  | $ 173,405,000

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