Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Operating leases:
Operating lease right-of-use assets	$ 41,293	$ 43,448
Accrued liabilities and other	8,507	8,795
Operating lease liabilities	35,608	37,569
Total operating lease liabilities	$ 44,115	$ 46,364