Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Operating leases:
Operating lease right-of-use assets	$ 75,524	$ 68,131
Accrued liabilities and other	16,402	15,850
Operating lease liabilities	60,693	53,919
Total operating lease liabilities	$ 77,095	$ 69,769