Statements of Consolidated Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net income	$ 35,721	$ 29,761	$ 23,336
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustment	(8,376)	3,835	2,028
Recognized net actuarial gains	469	363	397
Gain (loss) on unfunded pension obligations	739	(1,396)	(195)
Net current period other comprehensive income (loss)	(7,168)	2,802	2,230
Less: Comprehensive loss (income) attributable to noncontrolling interests	8	42	(33)
Comprehensive income attributable to Preformed Line Products Company shareholders	$ 28,561	$ 32,605	$ 25,533