Commitments and Contingencies (Schedule of Future Minimum Rental Payments) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Sep. 30, 2019
Operating Leases
2020		$ 651
2021		663
2022		682
2023		684
2024		687
Thereafter		29,374
Total minimum lease payments		32,741
Less: amounts representing interest		(23,608)
Operating lease liabilities	$ 9,133	9,133
Direct Financing Leases (1)
2020		82
2021		84
2022		86
2023		88
2024		90
Thereafter		7,500
Total minimum lease payments		7,930
Less: amounts representing interest		(3,117)
Total present value of minimum lease payments		$ 4,813