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Fair Value Measurements - Schedule of financial instruments (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Jun. 30, 2020
--- | --- | ---
Financial assets |  |
Cash and cash equivalents | $ 123,592 | $ 54,245
Interest-bearing time deposits | 979 | 974
Stock in FHLB | 5,873 | 6,390
Stock in Federal Reserve Bank of St. Louis | 5,031 | 4,363
Loans receivable, net | 2,200,244 | 2,141,929
Accrued interest receivable | 10,079 | 12,116
Financial liabilities |  |
Deposits | 2,330,803 | 2,184,847
Advances from FHLB | 57,529 | 70,024
Accrued interest payable | 779 | 1,646
Subordinated debt | 15,243 | 15,142
Level 1 |  |
Financial assets |  |
Cash and cash equivalents | 123,592 | 54,245
Financial liabilities |  |
Deposits | 1,768,217 | 1,508,740
Level 2 |  |
Financial assets |  |
Interest-bearing time deposits | 979 | 974
Stock in FHLB | 5,873 | 6,390
Stock in Federal Reserve Bank of St. Louis | 5,031 | 4,363
Accrued interest receivable | 10,079 | 12,116
Financial liabilities |  |
Advances from FHLB | 58,587 | 72,136
Accrued interest payable | 779 | 1,646
Level 3 |  |
Financial assets |  |
Loans receivable, net | 2,218,762 | 2,143,823
Financial liabilities |  |
Deposits | 565,123 | 676,816
Subordinated debt | $ 15,468 | $ 11,511

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