Leases - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Mar. 31, 2020	Mar. 31, 2020
Finance lease cost:
Amortization of right of use asset	$ 107	$ 215
Interest on lease liabilities	207	415
Total finance lease cost	314	630
Operating lease costs:
Operating lease cost	375	730
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flow from finance leases	207	415
Operating cash flow from operating leases	375	730
Financing cash flows from finance leases	42	82
Total cash paid for amount included in measurement of lease liabilities	$ 624	$ 1,227