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Fair Value Measurements - Schedule of Financial Instruments (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Jun. 30, 2019
--- | --- | ---
Financial Assets | Cash and Cash Equivalents |  |
Financial Instruments Owned Carrying Amount | $ 54,245 | $ 35,400
Financial Assets | Investment in Federal Home Loan Bank Stock |  |
Financial Instruments Owned Carrying Amount | 6,390 | 5,233
Financial Assets | Loans Receivable |  |
Financial Instruments Owned Carrying Amount | 2,141,929 | 1,846,405
Financial Assets | Interest-bearing time deposits |  |
Financial Instruments Owned Carrying Amount | 974 | 969
Financial Assets | Stock in Federal Reserve Bank of St. Louis |  |
Financial Instruments Owned Carrying Amount | 4,363 | 4,350
Financial Assets | Accrued interest receivable |  |
Financial Instruments Owned Carrying Amount | 12,116 | 10,189
Financial Liabilities | Note payable |  |
Financial Instruments Owned Carrying Amount |  | 3,000
Financial Liabilities | Deposits |  |
Financial Instruments Owned Carrying Amount | 2,184,847 | 1,893,695
Financial Liabilities | Securities Sold under Agreements to Repurchase |  |
Financial Instruments Owned Carrying Amount |  | 4,376
Financial Liabilities | Federal Home Loan Bank Advances |  |
Financial Instruments Owned Carrying Amount | 70,024 | 44,908
Financial Liabilities | Subordinated Debt |  |
Financial Instruments Owned Carrying Amount | 15,142 | 15,043
Financial Liabilities | Accrued interest payable |  |
Financial Instruments Owned Carrying Amount | 1,646 | 2,099
Fair Value, Inputs, Level 1 | Financial Assets | Cash and Cash Equivalents |  |
Financial Instruments Owned Carrying Amount | 54,245 | 35,400
Fair Value, Inputs, Level 1 | Financial Liabilities | Deposits |  |
Financial Instruments Owned Carrying Amount | 1,508,740 | 1,214,606
Fair Value, Inputs, Level 2 | Financial Assets | Investment in Federal Home Loan Bank Stock |  |
Financial Instruments Owned Carrying Amount | 6,390 | 5,233
Fair Value, Inputs, Level 2 | Financial Assets | Interest-bearing time deposits |  |
Financial Instruments Owned Carrying Amount | 974 | 969
Fair Value, Inputs, Level 2 | Financial Assets | Stock in Federal Reserve Bank of St. Louis |  |
Financial Instruments Owned Carrying Amount | 4,363 | 4,350
Fair Value, Inputs, Level 2 | Financial Assets | Accrued interest receivable |  |
Financial Instruments Owned Carrying Amount | 12,116 | 10,189
Fair Value, Inputs, Level 2 | Financial Liabilities | Securities Sold under Agreements to Repurchase |  |
Financial Instruments Owned Carrying Amount |  | 4,376
Fair Value, Inputs, Level 2 | Financial Liabilities | Federal Home Loan Bank Advances |  |
Financial Instruments Owned Carrying Amount | 72,136 | 45,547
Fair Value, Inputs, Level 2 | Financial Liabilities | Accrued interest payable |  |
Financial Instruments Owned Carrying Amount | 1,646 | 2,099
Fair Value, Inputs, Level 3 | Financial Assets | Loans Receivable |  |
Financial Instruments Owned Carrying Amount | 2,143,823 | 1,823,040
Fair Value, Inputs, Level 3 | Financial Liabilities | Note payable |  |
Financial Instruments Owned Carrying Amount |  | 3,000
Fair Value, Inputs, Level 3 | Financial Liabilities | Deposits |  |
Financial Instruments Owned Carrying Amount | 676,816 | 678,301
Fair Value, Inputs, Level 3 | Financial Liabilities | Subordinated Debt |  |
Financial Instruments Owned Carrying Amount | $ 11,511 | $ 15,267

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