Accumulated Other Comprehensive Income, Reclassifications Out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Details About Accumulated Other Comprehensive Income Components [Abstract]
Interest expense		$ 3,862	$ 805
Other non-operating income, net		225	1,449
Earnings from continuing operations before income taxes		17,109	27,559
Income tax expense (benefit)		4,372	7,005
Net earnings attributable to SMP	[1]	11,918	$ 19,446
Reclassification out of Accumulated Other Comprehensive Income [Member]
Details About Accumulated Other Comprehensive Income Components [Abstract]
Earnings from continuing operations before income taxes		(462)
Income tax expense (benefit)		(121)
Net earnings attributable to SMP		(341)
Unrealized Derivative Gains (Losses) [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Details About Accumulated Other Comprehensive Income Components [Abstract]
Interest expense	[2]	(456)
Unrecognized Postretirement Benefit Costs (Credit) [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Details About Accumulated Other Comprehensive Income Components [Abstract]
Other non-operating income, net	[3]	$ (6)

[1] Throughout this Form 10-Q, “SMP” refers to Standard Motor Products, Inc. and subsidiaries.

[2] Unrecognized accumulated other comprehensive income (loss) related to the cash flow interest rate hedge is reclassified to earnings and reported as part of interest expense in our consolidated statements of operations when the interest payments on the underlying borrowings are recognized.

[3] Unrecognized accumulated other comprehensive income (loss) related to our post retirement plans is reclassified to earnings and included in the computation of net periodic postretirement benefit costs, which are included in other non-operating income, net in our consolidated statements of operations (see Note 12, “Employee Benefits,” for additional information).