Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Allowance for credit losses and inventory reserves	$ 1,724	$ 1,337
Warranty accrual	5,462	4,184
Other accruals	3,989	4,814
Share-based compensation	8,560	7,440
Research & development expenses	18,647	11,265
Oklahoma investment credit carryforward	2,306	3,115
Other, net	1,673	2,339
Gross deferred income tax assets	42,361	34,494
Valuation allowance	0	(3,115)
Net deferred income tax assets	42,361	31,379
Property & equipment	(54,495)	(50,040)
Total deferred income tax liabilities	(54,495)	(50,040)
Net deferred income tax liabilities	$ 12,134	$ 18,661