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Schedule II - Valuation and Qualifying Accounts (Detail) - Allowance for Doubtful Accounts [Member] - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period $ 82,000 $ 82,000 $ 59,000
Charge (Recovery) to Costs and Expenses 5,000 0 23,000
Other Charges, Deductions [1] 0 0 0
Balance at End of Period $ 87,000 $ 82,000 $ 82,000
[1] Reflects uncollectible accounts written off, net of recoveries.