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Recently Issued Accounting Standards (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
Jun. 30, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Cumulative effect adjustment $ (847,072) $ (929,047) $ (614,190) $ (617,298) $ (619,600) $ (646,864)
Accounting Standards Update [Extensible Enumeration] us-gaap:AccountingStandardsUpdate201613Member us-gaap:AccountingStandardsUpdate201613Member        
Cumulative Effect, Period of Adoption, Adjustment            
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Cumulative effect adjustment   $ 2,970        
Retained Earnings (Accumulated Deficit)            
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Cumulative effect adjustment $ 333,684 251,962 $ 608,092 $ 598,985 $ 589,178 $ 537,205
Retained Earnings (Accumulated Deficit) | Cumulative Effect, Period of Adoption, Adjustment            
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Cumulative effect adjustment   $ 2,970