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Loans and Allowance for Credit Losses - Summary of Impaired Loans (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 31, 2022 | Mar. 31, 2022 | Jun. 30, 2022
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Balance | $ 1,114 | $ 1,114 | $ 1,385
Unpaid Principal Balance | 1,114 | 1,114 | 1,385
Specific Allowance | 0 | 0 | 0
Average Investment in Impaired Loans | 1,119 | 1,125 | 1,401
Interest Income Recognized | 7 | 18 | 19
Interest on Cash Basis | 7 | 17 | 17
Commercial [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Balance, Loans without a specific valuation allowance | 38 | 38 | 35
Unpaid Principal Balance, Loans without a specific valuation allowance | 38 | 38 | 35
Average Investment in Impaired Loans, Loans without a specific valuation allowance | 40 | 42 | 40
Interest Income Recognized, Loans without a specific valuation allowance | 1 | 3 | 4
Interest on Cash Basis, Loans without a specific valuation allowance | 1 | 3 | 4
Recorded Balance | 38 | 38 | 35
Unpaid Principal Balance | 38 | 38 | 35
Average Investment in Impaired Loans | 40 | 42 | 40
Interest Income Recognized | 1 | 3 | 4
Interest on Cash Basis | 1 | 3 | 4
Consumer [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Balance, Loans without a specific valuation allowance | 0 | 0 |
Recorded Balance | 0 | 0 |
One- to four-family [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Balance, Loans without a specific valuation allowance | 1,076 | 1,076 | 1,350
Unpaid Principal Balance, Loans without a specific valuation allowance | 1,076 | 1,076 | 1,350
Average Investment in Impaired Loans, Loans without a specific valuation allowance | 1,079 | 1,083 | 1,361
Interest Income Recognized, Loans without a specific valuation allowance | 6 | 15 | 15
Interest on Cash Basis, Loans without a specific valuation allowance | 6 | 14 | 13
Recorded Balance | 1,076 | 1,076 |
Unpaid Principal Balance | 1,076 | 1,076 |
Average Investment in Impaired Loans | 1,079 | 1,083 |
Interest Income Recognized | 6 | 15 |
Interest on Cash Basis | $ 6 | $ 14 |
Multi-family [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Balance |  |  | 1,350
Unpaid Principal Balance |  |  | 1,350
Average Investment in Impaired Loans |  |  | 1,361
Interest Income Recognized |  |  | 15
Interest on Cash Basis |  |  | $ 13

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