v3.26.1
Inventories
 6 Months Ended
Jun. 30, 2026
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories are valued at the lower of cost or net realizable value. Cost is determined by the first-in, first-out (“FIFO”) method. We establish an allowance for excess and obsolete inventories based on product line changes, the feasibility of substituting parts and the need for supply and replacement parts.
The components of inventories and the related changes in the allowance for excess and obsolete inventories are as follows: 
June 30,
2026		December 31,
2025
(in thousands)
Raw materials$334,805 $265,427 
Work in process2,255 475 
Finished goods837 593 
Total, gross337,897 266,495 
Less: Allowance for excess and obsolete inventories6,569 5,344 
Total, net$331,328 $261,151 
 
Three Months Ended June 30,Six Months Ended June 30,
2026202520262025
Allowance for excess and obsolete inventories:(in thousands)
Balance, beginning of period$6,045 $5,249 $5,344 $5,192 
Provision for excess and obsolete inventories636 234 1,389 632 
Inventories written off(112)(3)(164)(344)
Balance, end of period$6,569$5,480$6,569 $5,480