Leases - Schedule of Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jan. 01, 2019
Leases [Abstract]
Operating lease right-of-use assets	$ 142,110	$ 39,900
Operating lease liability, current	16,600
Operating lease liability, non-current	142,134
Total operating lease liability	$ 158,734	$ 42,100
Weighted Average Remaining Lease Term
Operating leases (in years)	9 years 6 months 3 days
Weighted Average Discount Rate
Operating leases	5.18%