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Loans Receivable And Allowance For Loan Losses - Land and Commercial Business Loans (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Sep. 30, 2018 USD ($) contract | Jun. 30, 2019 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Troubled Debt Restructuring | $ 3,278 | $ 3,208
Portfolio Segment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | contract | 3 |
Pre-modification TDR balance | $ 427 |
Post-modification TDR balance | 338 |
Financing Receivable, Troubled Debt Restructuring | 323 |
Commercial business loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Troubled Debt Restructuring | $ 170 | $ 149
Commercial business loans | Portfolio Segment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | contract | 2 |
Pre-modification TDR balance | $ 183 |
Post-modification TDR balance | 183 |
Financing Receivable, Troubled Debt Restructuring | 170 |
Mortgage loans, land |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Troubled Debt Restructuring | $ 153 |
Mortgage loans, land | Portfolio Segment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | contract | 1 |
Pre-modification TDR balance | $ 244 |
Post-modification TDR balance | 155 |
Financing Receivable, Troubled Debt Restructuring | $ 153 |

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