Leases and Other - Schedule of Estimated Future Minimum Lease Payments Under Non-cancelable Leases Excluding Variable Leases and Variable Non-lease Components (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Operating Leases
Remainder of 2019	$ 13,454
2020	23,205
2021	12,698
2022	8,037
2023	5,484
Thereafter	7,406
Total future lease payments	70,284
Less: Amount representing interest	(8,528)
Present value of minimum lease payments	61,756
Current portion	22,149
Long-term portion	39,607
Finance Leases
Remainder of 2019	1,705
2020	2,687
2021	1,945
2022	1,494
2023	1,380
Thereafter	4,301
Total future lease payments	13,512
Less: Amount representing interest	(2,730)
Present value of minimum lease payments	10,782	$ 4,639
Current portion	2,422
Long-term portion	8,360
Total
Remainder of 2019	15,159
2020	25,892
2021	14,643
2022	9,531
2023	6,864
Thereafter	11,707
Total future lease payments	83,796
Less: Amount representing interest	(11,258)
Total lease liabilities	72,538
Current portion	24,571
Long-term portion	$ 47,967