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The Company - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]      
Proceeds from common stock offering $ 1,817,900    
Follow-on public Offerings [Member]      
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]      
Proceeds from common stock offering 648,315 $ 296,607 $ 0
At The Market Offerings      
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]      
Proceeds from common stock offering $ 45,255 $ 49,461 $ 72,256