Valuation and Qualifying Accounts (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Allowance for Credit Losses
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	$ 1,955	$ 2,012	$ 2,034
Additions Charged to Cost and Expenses	301	500	500
Other	23	(6)	(27)
Deductions	291	551	495
Balance at End of Period	1,988	1,955	2,012
Valuation Allowance of Deferred Tax Assets
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	103,807	97,170	84,962
Additions Charged to Cost and Expenses	5,759	7,652	13,502
Other	59	21	0
Deductions	374	1,036	1,294
Balance at End of Period	$ 109,251	$ 103,807	$ 97,170