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Other Income and Other Operating Expenses - Rental Expenses (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Other Income and Expenses [Abstract]      
Other income $ 38,547 $ 62,015 $ 23,721
Gain on sale of business 8,100    
Gain on sale of Visa, Inc. class B common stock $ 0 $ 42,860