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Cash and Cash Equivalents and Fair Value of Financial Instruments (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Jun. 30, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents $ 244,953 $ 349,051 $ 614,236
Cash equivalents 207,300 320,200  
Convertible Senior Notes | Convertible Debt      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Short-term debt, fair value 731,700 1,085,000  
Long-term debt, current maturities $ 565,000 $ 488,152