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Description of the Business and Summary of Significant Accounting Policies - ASU 2016-03 (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Mar. 31, 2020
Dec. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Transition adjustment $ (911,092)   $ (495,514)
Accumulated other comprehensive loss $ (57,951)   $ (28,159)
Cumulative Effect, Period of Adoption, Adjustment [Member]      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Transition adjustment   $ (5,300)  
Accumulated other comprehensive loss   $ 2,200