Leases - Maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jan. 01, 2019
Operating Lease Liabilities, Payments Due [Abstract]
Remaining six months of 2019	$ 4,517
2020	8,560
2021	6,985
2022	4,857
2023	3,433
Thereafter	13,640
Total lease payments	41,992
Less: Present value discount	(7,181)
Total lease liabilities	34,811	$ 35,100
Finance Leases
Remaining six months of 2019	580
2020	1,160
2021	479
2022	0
2023	0
Thereafter	0
Total lease payments	2,219
Less: Present value discount	(65)
Total finance lease liabilities	$ 2,154