Valuation And Qualifying Accounts (Detail) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Allowance for Credit Losses
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at the beginning of the period		$ 2,775	$ 2,760	$ 1,637
Additions	[1]	383	669	1,550
Deduction		(594)	(654)	(427)
Balance at the end of the period		2,564	2,775	2,760
Valuation Allowance of Deferred Tax Assets
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at the beginning of the period		999	1,259	2,130
Additions	[1]	510,488	0	10
Deduction		(75)	(260)	(881)
Balance at the end of the period		$ 511,412	$ 999	$ 1,259

[1] Reductions in/charges to revenues and expenses.