Leases - Schedule of Future Minimum Lease Payments (Details) $ in Thousands	Sep. 30, 2019 USD ($)
Operating Leased Assets [Line Items]
2020	$ 21,017
2021	20,416
2022	19,370
2023	18,071
2024	15,718
Thereafter	105,544
Total minimum lease payments	200,136
Capital Lease Obligations [Abstract]
2020	243
2021	248
2022	253
2023	258
2024	263
Thereafter	4,343
Total capital lease minimum payments due	5,608
Interest included in future capital lease payments	3,018
Present value of net minimum capital lease payments	2,590
Fleet
Operating Leased Assets [Line Items]
2020	17,600
2021	18,000
2022	11,800
2023	8,500
2024	5,400
Thereafter	$ 2,700

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