Commitments - Minimum Future Commitments Under Non Cancelable Operating Leases and Other Obligations (Details) $ in Thousands	Sep. 30, 2019 USD ($)
Capital Leases, Future Minimum Lease Commitments
Capital Leases - 2020	$ 1,935
Capital Leases - 2021	1,934
Capital Leases - 2022	1,934
Capital Leases - 2023	0
Capital Leases - 2024	0
Capital Leases - Thereafter	0
Capital Leases, Total	5,803
Operating Leases, Future Minimum Lease Commitments
Operating Leases - 2020	19,842
Operating Leases - 2021	19,969
Operating Leases - 2022	17,677
Operating Leases - 2023	16,940
Operating Leases - 2024	14,887
Thereafter	24,431
Total	113,746
Other Commitments
Other Commitment, 2020	7,000
Other Commitment, 2021	0
Other Commitment, 2022	0
Other Commitment, 2023	0
Other Commitment, 2024	0
Other Commitment, Thereafter	0
Other Commitment	$ 7,000