Leases - Remaining lease payments (Details) $ in Thousands	Sep. 30, 2019 USD ($)
Operating Leases
Remainder of 2019	$ 22,598
2020	69,026
2021	50,060
2022	39,683
2023	31,893
Thereafter	97,401
Total lease payments	310,661
Less: Interest	(32,595)
Present value of lease liabilities	278,066
Finance Leases
Remainder of 2019	62
2020	812
2021	186
2022	84
2023	77
Thereafter	0
Total lease payments	1,221
Less: Interest	(50)
Present value of lease liabilities	$ 1,171