Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Property, plant and equipment [Abstract]
Total property, plant and equipment	$ 488,845	$ 441,999
Less accumulated depreciation	300,283	273,264
Total property, plant and equipment, net	188,562	168,735
Land
Property, plant and equipment [Abstract]
Total property, plant and equipment	8,433	7,724
Buildings and improvements
Property, plant and equipment [Abstract]
Total property, plant and equipment	$ 67,702	60,632
Buildings and improvements \| Minimum
Property, plant and equipment [Abstract]
Estimated Useful Life (in years)	10 years
Buildings and improvements \| Maximum
Property, plant and equipment [Abstract]
Estimated Useful Life (in years)	33 years 6 months
Machinery and equipment
Property, plant and equipment [Abstract]
Total property, plant and equipment	$ 216,375	186,902
Machinery and equipment \| Minimum
Property, plant and equipment [Abstract]
Estimated Useful Life (in years)	5 years
Machinery and equipment \| Maximum
Property, plant and equipment [Abstract]
Estimated Useful Life (in years)	12 years
Tools, dies and auxiliary equipment
Property, plant and equipment [Abstract]
Total property, plant and equipment	$ 88,018	78,934
Tools, dies and auxiliary equipment \| Minimum
Property, plant and equipment [Abstract]
Estimated Useful Life (in years)	3 years
Tools, dies and auxiliary equipment \| Maximum
Property, plant and equipment [Abstract]
Estimated Useful Life (in years)	8 years
Furniture and fixtures
Property, plant and equipment [Abstract]
Total property, plant and equipment	$ 39,449	37,400
Furniture and fixtures \| Minimum
Property, plant and equipment [Abstract]
Estimated Useful Life (in years)	3 years
Furniture and fixtures \| Maximum
Property, plant and equipment [Abstract]
Estimated Useful Life (in years)	12 years
Leasehold improvements
Property, plant and equipment [Abstract]
Total property, plant and equipment	$ 24,485	18,991
Construction-in-progress
Property, plant and equipment [Abstract]
Total property, plant and equipment	$ 44,383	$ 51,416

STANDARD MOTOR PRODUCTS, INC. 10-K