Basis of Presentation - Recently Adopted Accounting Standards (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020	Jun. 30, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Operating lease right-of-use assets	$ 43,374	$ 45,792	$ 36,930
Total operating lease liabilities	$ 43,864	$ 46,342	$ 36,992