Leases - Maturity (Details) $ in Thousands	Mar. 31, 2019 USD ($)
Operating Lease Liabilities, Payments Due [Abstract]
Remaining nine months of 2019	$ 6,325
2020	7,970
2021	6,440
2022	4,483
2023	3,408
Thereafter	13,859
Total lease payments	42,485
Less: Present value discount	(7,351)
Total lease liabilities	35,134
Finance Leases
Remaining nine months of 2019	870
2020	1,160
2021	484
2022	0
2023	0
Thereafter	0
Total lease payments	2,514
Less: Present value discount	(97)
Total finance lease liabilities	$ 2,417