Statements of Consolidated Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net income	$ 12,301	$ 7,177
Other comprehensive income (loss), net of tax
Foreign currency translation adjustment	2,101	(4,829)
Recognized net actuarial gain (net of tax provision of $28 and $35 for the three months ended March 31, 2022 and 2021, respectively).	89	114
Other comprehensive gain (loss), net of tax	2,190	(4,715)
Comprehensive (gain) loss attributable to noncontrolling interests	16	2
Comprehensive income attributable to Preformed Line Products Company shareholders	$ 14,475	$ 2,464