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Fair Value Measurements - Additional Information (Details) - USD ($)
$ in Thousands
 1 Months Ended
Feb. 28, 2022
Mar. 31, 2022
Dec. 31, 2021
Jun. 30, 2021
Financial Instruments Measured at Fair Value on a Recurring Basis        
Cash and cash equivalents and short-term investments   $ 2,200,000 $ 2,300,000  
Restricted cash and cash equivalents and restricted short-term investments   948,100 1,100,000  
Investment in non-marketable equity securities $ 10,000      
Common stock of a publicly-traded entity amount $ 8,400      
Other investments   70,203 80,411  
Reported Value Measurement | Level 3        
Financial Instruments Measured at Fair Value on a Recurring Basis        
Equity security       $ 64,000
Fair Value Measurements on Nonrecurring Basis        
Financial Instruments Measured at Fair Value on a Recurring Basis        
Other investments   70,200    
Cash and Cash Equivalents and Short-Term Investments        
Financial Instruments Measured at Fair Value on a Recurring Basis        
Cash   48,100 104,800  
Cash and Cash Equivalents and Short-Term Investments | Fair Value Measurements on Nonrecurring Basis        
Financial Instruments Measured at Fair Value on a Recurring Basis        
Cash   48,100 104,800  
Money market deposits   115,100 330,300  
Term deposits   210,000 385,000  
Restricted Cash and Cash Equivalents and Restricted Investments        
Financial Instruments Measured at Fair Value on a Recurring Basis        
Restricted cash   53,200 53,700  
Restricted Cash and Cash Equivalents and Restricted Investments | Fair Value Measurements on Nonrecurring Basis        
Financial Instruments Measured at Fair Value on a Recurring Basis        
Term deposits   5,000 5,000  
Restricted cash   $ 53,200 $ 53,700