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Fair Value Measurements - Schedule of financial instruments (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jun. 30, 2023 | Jun. 30, 2022
Financial assets |  |
Cash and cash equivalents | $ 53,979 | $ 86,792
Interest-bearing time deposits | 1,242 | 4,768
Stock in FHLB | 11,540 | 5,893
Stock in Federal Reserve Bank of St. Louis | 9,061 | 5,790
Loans receivable, net | 3,571,078 | 2,686,198
Accrued interest receivable | 18,871 | 11,052
Financial liabilities |  |
Deposits | 3,725,540 | 2,815,075
Advances from FHLB | 133,514 | 37,957
Accrued interest payable | 4,723 | 801
Subordinated debt | 23,105 | 23,055
Fair Value, Inputs, Level 1 |  |
Financial assets |  |
Cash and cash equivalents | 53,979 | 86,792
Financial liabilities |  |
Deposits | 2,661,479 | 2,176,444
Fair Value, Inputs, Level 2 |  |
Financial assets |  |
Interest-bearing time deposits | 1,242 | 4,768
Stock in FHLB | 11,540 | 5,893
Stock in Federal Reserve Bank of St. Louis | 9,061 | 5,790
Accrued interest receivable | 18,871 | 11,052
Financial liabilities |  |
Advances from FHLB | 131,821 | 35,916
Accrued interest payable | 4,723 | 801
Fair Value, Inputs, Level 3 |  |
Financial assets |  |
Loans receivable, net | 3,393,791 | 2,655,882
Financial liabilities |  |
Deposits | 1,053,650 | 637,163
Subordinated debt | $ 20,318 | $ 22,070

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