Revenue (Tables)

3 Months Ended

Mar. 31, 2026

Revenue from Contract with Customer [Abstract]

Schedule of Net Sales by End Market

The following table summarizes net sales by end market:

(in thousands)	For the Three Months Ended March 31,
End Market	2026		2025
Power Systems	$	96,491	$	106,647
Industrial	26,557		23,513
Transportation	5,544		5,286
Total	$	128,592	$	135,446

Schedule of Net Sales by Geographic Area

The following table summarizes net sales by geographic area:

(in thousands)	For the Three Months Ended March 31,
Geographic Area	2026		2025
United States	$	116,700	$	127,656
North America (outside of United States)	5,541		4,013
Pacific Rim	4,798		2,781
Europe	1,549		971
Other	4		25
Total	$	128,592	$	135,446

Schedule of Contract Balances

(in thousands)	As of March 31, 2026		As of December 31, 2025		As of December 31, 2024
Short-term contract assets (included in Contract assets)	$	11,567	$	15,965	$	21,462
Short-term contract liabilities (included in Other accrued liabilities)	(2,597)		(3,486)		(10,184)
Long-term contract liabilities (included in Noncurrent contract liabilities)	(1,666)		(1,699)		(1,877)
Net contract assets	$	7,304	$	10,780	$	9,401