Schedule II -Valuation and Qualifying Accounts (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	$ 776
Balance at End of Period	730	$ 776
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	776	831	$ 530
Charged to Costs and Expenses	191	0	600
Deductions	(237)	(55)	(300)
Other	0	0	1
Balance at End of Period	730	776	831
Sales Returns and Allowances [Member]
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	1,518	1,291	1,291
Charged to Costs and Expenses	0	0	0
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account	0	227	0
Deductions	0	0	0
Other	0	0	0
Balance at End of Period	1,518	1,518	1,291
Deferred Tax Valuation Allowance [Member]
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	8,188	8,568	7,312
Charged to Costs and Expenses	2,234	1,420	1,256
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account	3,889	0	0
Deductions	(6,650)	(1,800)	0
Other	0	0	0
Balance at End of Period	$ 7,661	$ 8,188	$ 8,568