Leases - Future Minimum Lease Payments (Details) $ in Thousands	Sep. 30, 2020 USD ($)
Operating Leases
2021	$ 10,640
2022	8,846
2023	7,162
2024	6,308
2025	4,552
Thereafter	15,511
Total lease payments	53,019
Less: imputed interest	(10,158)
Present value of lease liabilities	42,861
Finance Leases
2021	1,671
2022	1,630
2023	1,622
2024	1,534
2025	1,427
Thereafter	6,881
Total lease payments	14,765
Less: imputed interest	(3,674)
Present value of lease liabilities	$ 11,091