Leases - Schedule of Balances and Classification of Operating Lease Right-of-Use Assets and Operating Lease Liabilities within Condensed Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Assets:
Operating lease right-of-use assets	$ 186,304	$ 184,288
Total assets	186,304	184,288
Liabilities:
Current operating lease liabilities	42,831	43,415
Non-current operating lease liabilities	172,581	167,855
Total liabilities	$ 215,412	$ 211,270