Leases - Schedule of Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Jan. 01, 2019
Leases [Abstract]
Operating lease right-of-use assets	$ 71,013	$ 39,900
Operating lease liability, current	14,208
Operating lease liability, non-current	59,950
Total operating lease liability	$ 74,158	$ 42,100
Weighted Average Remaining Lease Term
Operating leases (in years)	8 years 3 months 29 days
Weighted Average Discount Rate
Operating leases	5.95%