Leases - Schedule of Operating and Finance Lease Liability Maturities (Details) $ in Thousands	Mar. 31, 2019 USD ($)
Leases [Abstract]
Operating Leases, Remainder of 2019	$ 10,079
Operating Leases, 2020	12,756
Operating Leases, 2021	8,765
Operating Leases, 2022	7,486
Operating Leases, 2023	4,662
Operating Leases, 2024	2,491
Operating Leases, 2025 and thereafter	5,028
Operating Leases, Total lease payments	51,267
Operating Leases, Less: imputed interest	(4,712)
Operating Leases, Total lease obligations	46,555
Total operating lease liabilities	46,555
Operating Leases, Less: current obligations	(11,738)
Noncurrent operating lease liabilities	34,817
Finance Leases, Remainder of 2019	821
Finance Leases, 2020	922
Finance Leases, 2021	139
Finance Leases, Total lease payments	1,882
Finance Leases, Less: imputed interest	(52)
Finance Leases, Total lease obligations	1,830
Total finance lease obligations	1,830
Finance Leases, Less: current obligations	(1,012)
Non-current finance lease liabilities	$ 818