Leases - Lease Payment Maturity Schedule (Details) $ in Thousands	Sep. 30, 2019 USD ($)
Operating Leases
2019	$ 13,969
2020	49,285
2021	25,889
2022	5,008
2023	4,167
Thereafter	9,934
Total lease payments	108,252
Less imputed interest	(5,929)
Total lease obligations	102,323
Less current obligations	(51,327)
Long-term lease obligations	50,996
Financing Leases
2019	430
2020	779
2021	510
2022	88
2023	0
Thereafter	0
Total lease payments	1,807
Less imputed interest	(228)
Total lease obligations	1,579
Less current obligations	(1,098)
Long-term lease obligations	$ 481