Segment Data, Operating Results by Segment (Parenthetical) (Details)	12 Months Ended
	Dec. 31, 2024
Segment Reporting [Abstract]
Segment Reporting, Other Segment Item, Composition, Description	Other segment items for each reportable segment includes:KMT – selling expense, professional service expense, occupancy expense, and certain overhead expenses.KDS – inventory-related expense, warranty expense, selling expense, professional service expense, occupancy expense, and certain overhead expenses.