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Basis of Presentation - Recently Adopted Accounting Standards (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Mar. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Operating lease right-of-use assets $ 44,236 $ 45,792 $ 33,725
Total operating lease liabilities $ 44,751 $ 46,342 $ 33,687