Organization, Basis of Presentation, and Significant Accounting Policies (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Accounting Policies [Abstract]
Operating lease right-of-use assets	$ 78,867	$ 68,131
Accrued liabilities and other	16,362	15,850
Operating lease liabilities	$ 64,200	$ 53,919