Leases - Summary of Right-of-Use Assets and Lease Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease right-of-use asset	$ 43,683	$ 55,057
Operating lease liabilities, current	8,528
Operating lease liabilities long-term	48,377	$ 57,040
Total operating lease liabilities	$ 56,905