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Fair Value Measurements - Financial Assets and Liabilities Measured at Fair Value (Detail) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
ASSETS      
Payments to acquire U.S. Treasury Bills $ 197,407 $ 0  
Face value of U.S. Treasury bills 197,904   $ 0
Investments in U.S. Treasury bills      
ASSETS      
Payments to acquire U.S. Treasury Bills 197,407    
Face value of U.S. Treasury bills 200,000    
Amortized cost, current 198,827    
Recurring      
ASSETS      
Total assets 226,539    
Recurring | Investments in U.S. Treasury bills      
ASSETS      
Investments in U.S. Treasury bills 197,904    
Recurring | Interest rate derivatives (included in other assets)      
ASSETS      
Interest rate derivatives (included in other assets) 28,635    
Recurring | Interest rate derivatives (included in other assets)      
ASSETS      
Interest rate derivatives (included in other assets)     7,545
Recurring | Level 1      
ASSETS      
Total assets 197,904    
Recurring | Level 1 | Investments in U.S. Treasury bills      
ASSETS      
Investments in U.S. Treasury bills 197,904    
Recurring | Level 1 | Interest rate derivatives (included in other assets)      
ASSETS      
Interest rate derivatives (included in other assets) 0    
Recurring | Level 1 | Interest rate derivatives (included in other assets)      
ASSETS      
Interest rate derivatives (included in other assets)     0
Recurring | Level 2      
ASSETS      
Total assets 28,635    
Recurring | Level 2 | Investments in U.S. Treasury bills      
ASSETS      
Investments in U.S. Treasury bills 0    
Recurring | Level 2 | Interest rate derivatives (included in other assets)      
ASSETS      
Interest rate derivatives (included in other assets) 28,635    
Recurring | Level 2 | Interest rate derivatives (included in other assets)      
ASSETS      
Interest rate derivatives (included in other assets)     7,545
Recurring | Level 3      
ASSETS      
Total assets 0    
Recurring | Level 3 | Investments in U.S. Treasury bills      
ASSETS      
Investments in U.S. Treasury bills 0    
Recurring | Level 3 | Interest rate derivatives (included in other assets)      
ASSETS      
Interest rate derivatives (included in other assets) $ 0    
Recurring | Level 3 | Interest rate derivatives (included in other assets)      
ASSETS      
Interest rate derivatives (included in other assets)     $ 0