Schedule II - Valuation and Qualifying Accounts and Reserves (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Warranty Reserve [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	$ 22,178	$ 25,599	$ 28,595
Additions Charged to Cost and Expenses	9,725	3,508	1,914
Deductions	(9,068)	(6,929)	(4,910)
Balance at End of Period	22,835	22,178	25,599
Valuation Allowance of Deferred Tax Assets [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	3,307	3,026	2,232
Additions Charged to Cost and Expenses	(669)	281	794
Deductions	0	0	0
Balance at End of Period	$ 2,638	$ 3,307	$ 3,026