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v3.23.1

Securities - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2023 | Mar. 31, 2022 | Jun. 30, 2022
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Mortgage-backed securities with a book value | $ 233,947 |  | $ 233,947 |  | $ 245,052
Fair Value | $ 207,693 |  | $ 207,693 |  | 220,906
Percentage of equity securities | 10.00% |  | 10.00% |  |
Repurchase agreements | $ 10,764 |  | $ 10,764 |  | 9,244
Gross gains from sales of available for sale securities | 12,000 | $ 0 | 12,000 | $ 0 |
Gross losses from sales of available for sale securities | 0 | 0 | 183,000 | 0 |
Tax benefit to net realized gains (losses) | 4 | 0 | (48) | 0 |
Investments in debt and marketable equity securities | $ 193,637 |  | $ 193,637 |  | $ 209,133
Temporarily impaired debt securities percentage of investment securities portfolio | 93.00% |  | 93.00% |  | 95.00%
Asset Pledged as Collateral with Right [Member] |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Carrying value of securities pledged as collateral | $ 100,681 |  | $ 100,681 |  | $ 125,209
Tax benefit to net realized gains (losses) | 4,000 | $ 0 | 48,000 | $ 0 |
Maturity Overnight [Member] |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Repurchase agreements | 10,800 |  | 10,800 |  |
Mortgage-backed securities – GSE residential [Member] |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Mortgage-backed securities with a book value | 204,128 |  | 204,128 |  | 210,367
Fair Value | 180,219 |  | 180,219 |  | 188,185
Investments in debt and marketable equity securities | 169,911 |  | 169,911 |  | 181,629
Debt Securities [Member] |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Investments in debt and marketable equity securities | 193,637 |  | 193,637 |  | 209,133
Small Business Administration [Member] |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Mortgage-backed securities with a book value | 17,910 |  | 17,910 |  | 17,960
Fair Value | 16,062 |  | 16,062 |  | 16,442
Investments in debt and marketable equity securities | $ 14,675 |  | $ 14,675 |  | $ 14,983

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