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Fair Value Measurements - Schedule of financial instruments (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2021 | Jun. 30, 2021
Financial assets |  |
Cash and cash equivalents | $ 111,402 | $ 123,592
Interest-bearing time deposits | 980 | 979
Stock in FHLB | 5,425 | 5,873
Stock in Federal Reserve Bank of St. Louis | 5,031 | 5,031
Loans receivable, net | 2,249,478 | 2,200,244
Accrued interest receivable | 11,203 | 10,079
Financial liabilities |  |
Deposits | 2,371,695 | 2,330,803
Advances from FHLB | 46,522 | 57,529
Accrued interest payable | 731 | 779
Subordinated debt | 15,268 | 15,243
Unrecognized financial instruments (net of contract amount) |  |
Commitments to originate loans | 0 |
Letters of credit | 0 |
Lines of credit | 0 |
Fair Value, Inputs, Level 1 |  |
Financial assets |  |
Cash and cash equivalents | 111,402 | 123,592
Financial liabilities |  |
Deposits | 1,817,346 | 1,768,217
Fair Value, Inputs, Level 2 |  |
Financial assets |  |
Interest-bearing time deposits | 980 | 979
Stock in FHLB | 5,425 | 5,873
Stock in Federal Reserve Bank of St. Louis | 5,031 | 5,031
Accrued interest receivable | 11,203 | 10,079
Financial liabilities |  |
Advances from FHLB | 47,419 | 58,587
Accrued interest payable | 731 | 779
Fair Value, Inputs, Level 3 |  |
Financial assets |  |
Loans receivable, net | 2,265,086 | 2,218,762
Financial liabilities |  |
Deposits | 556,397 | 565,123
Subordinated debt | $ 16,045 | $ 15,468

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