Long-Term Debt - Schedule of Long-term Debt Instruments (Details) - USD ($) |
Sep. 30, 2019 |
Sep. 30, 2018 |
Oct. 05, 2016 |
Jun. 30, 2015 |
|---|---|---|---|---|
| Debt Instrument [Line Items] | ||||
| Long-term Debt | $ 145,003,000 | $ 142,415,000 | $ 9,900,000 | $ 7,200,000 |
| Other Assets [Member] | ||||
| Debt Instrument [Line Items] | ||||
| Long-term Debt | 8,711,000 | 7,789,000 | ||
| Stock in Subsidiary [Member] | ||||
| Debt Instrument [Line Items] | ||||
| Long-term Debt | 27,766,000 | 17,489,000 | ||
| Unsecured Debt [Member] | ||||
| Debt Instrument [Line Items] | ||||
| Long-term Debt | 18,269,000 | 23,700,000 | ||
| Real Estate [Member] | ||||
| Debt Instrument [Line Items] | ||||
| Long-term Debt | $ 90,257,000 | $ 93,437,000 |