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Commitments and Contingencies - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Off-Balance-Sheet, Credit Loss, Liability, Change in Method, Credit Loss Expense (Reversal)     $ (19,000)    
Lessee, Operating Lease, Liability, Payments, Due $ 7,300 $ 8,200 23,800 $ 24,600  
Significant change in expected future minimum lease payments since year end     0    
Property, Plant and Equipment Member          
Operating Lease, Right-of-Use Asset 281,400   281,400   $ 288,800
Other Liabilities [Member]          
Operating Lease, Liability $ 316,900   $ 316,900   $ 321,900