Product Warranty (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Product Warranty
Product warranty period	1 year
Changes in standard product warranty liability
Balance at January 1 (beginning of year)	$ 10,487	$ 6,924	$ 4,612
Warranties issued during the period	12,893	10,597	7,808
Settlements made during the period	(10,230)	(6,798)	(4,282)
Changes in estimate of liability for pre-existing warranties during the period	3,607	(236)	(1,214)
Balance at September 30 (end of period)	16,757	10,487	6,924
Product warranty classification
Amount classified as current	14,098	8,299	6,424
Amount classified as long-term (within other long-term liabilities)	2,659	2,188	500
Total warranty liability	$ 16,757	$ 10,487	$ 6,924