Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Operating Leases
Operating lease right-of-use assets	$ 204,974	$ 206,154
Total operating lease liabilities	$ 250,929	$ 256,407
Weighted-average remaining lease term (years)	5 years 8 months 12 days	6 years 1 month 6 days
Weighted-average discount rate	4.88%	5.04%
Accrued Expenses and Other Current Liabilities [Member]
Operating Leases
Total operating lease liabilities	$ 49,593	$ 47,025
Operating Lease Liabilities [Member]
Operating Leases
Total operating lease liabilities	$ 201,336	$ 209,382