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Basis of Presentation and Summary of Significant Accounting Policies Leases, Impact of New Accounting Standard Adoption (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Leases, Initial Application Period Cumulative Effect Transition [Line Items]    
Prepaid expenses and other current assets $ 176,545 $ 151,102
Intangible assets, net 6,234,528 6,669,645
Other assets 324,453 247,519
Accrued expenses and other current liabilities 612,921 477,366
Other liabilities $ 509,876 $ 305,435