Inventories (Tables)

9 Months Ended

Sep. 30, 2024

Inventory Disclosure [Abstract]

Inventories

The components of inventories and related changes in the allowance for excess and obsolete inventories account are as follows:

	September 30, 2024		December 31, 2023
	(in thousands)
Raw materials	$	179,368	$	211,259
Work in process	5,692		5,523
Finished goods	679		2,910
Total, gross	185,739		219,692
Less:  Allowance for excess and obsolete inventories	(8,008)		(6,160)
Total, net	$	177,731	$	213,532

Inventories (Allowance)

	Three Months Ended				Nine Months Ended
	September 30, 2024		September 30, 2023		September 30, 2024		September 30, 2023
Allowance for excess and obsolete inventories:	(in thousands)
Balance, beginning of period	$	6,801	$	5,281	$	6,160	$	4,527
Provision for excess and obsolete inventories	2,075		1,521		4,003		2,979
Inventories written off	(868)		(2,014)		(2,155)		(2,718)
Balance, end of period	$	8,008	$	4,788	$	8,008	$	4,788