Leases - Schedule of Operating Leases (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)
Total lease liabilities	$ 36,052
Selling, General and Administrative Expenses [Member]
Lease costs	1,565
Other Assets [Member]
ROU assets	32,521
Accrued Expenses And Other Current Liabilities [Member]
Current lease liabilities	4,626
Other Long-Term Liabilities [Member]
Non-current lease liabilities	$ 31,426