Schedule II -Valuation and Qualifying Accounts (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	$ 730
Balance at End of Period	583	$ 730
Reserve for Uncollectible Accounts Receivable and Sales Return [Member]
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	730	776	$ 831
Charged to Costs and Expenses	500	191	0
Deductions	(645)	(237)	(55)
Other	(2)	0	0
Balance at End of Period	583	730	776
Sales Returns and Allowances [Member]
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	1,518	1,518	1,291
Charged to Costs and Expenses	500	0	0
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account	0	0	227
Deductions	0	0	0
Other	0	0	0
Balance at End of Period	2,018	1,518	1,518
Deferred Tax Valuation Allowance [Member]
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	7,661	8,188	8,568
Charged to Costs and Expenses	0	2,234	1,420
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account	0	3,889	0
Deductions	(6,718)	(6,650)	(1,800)
Other	0	0	0
Balance at End of Period	$ 943	$ 7,661	$ 8,188