Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Net income	$ 143,904	$ 98,317	$ 80,563
Other comprehensive income (loss):
Cumulative currency translation adjustments	28,892	4,742	(24,430)
Currency loss charged to equity as part of acquisition of noncontrolling shareholder interest	28,892	4,742	(24,430)
Financial instruments:
Change in the fair value of derivatives, net of reclassifications	(8,429)	(3,753)
Change in the fair value of derivatives, net of reclassifications			2,628
Income tax provision on derivative instruments	2,206	1,054
Income tax provision on derivative instruments			(827)
Financial instruments, net of tax	(6,223)	(2,699)
Financial instruments, net of tax			1,801
Postretirement benefit plans:
Amortization of actuarial loss	35,257	35,843	37,203
Amortization of prior service cost (credit)	1,429	603	(541)
Actuarial (loss) gain	(37,979)	(12,877)	12,913
Pension settlement charges	4,155	4,262	0
Prior service effect of plan amendment	(2,581)	(3,069)	(3,704)
Income tax impact on postretirement benefit plans	(3,641)	(9,333)	(8,326)
Foreign currency translation loss	(4,611)	(2,668)	(264)
Postretirement benefit plans, net of tax	(7,971)	12,761	37,281
Other comprehensive income	2,950	14,804	14,652
Comprehensive income	146,854	113,121	95,215
Less: Comprehensive income attributable to noncontrolling shareholders' interests	3,394	2,708	1,740
Comprehensive income attributable to Cooper Tire & Rubber Company	143,460	110,413	93,475
Noncontrolling Shareholders’ Interests in Consolidated Subsidiaries
Net income	1,115	1,913	3,977
Other comprehensive income (loss):
Cumulative currency translation adjustments	(11,748)	0	0
Currency loss charged to equity as part of acquisition of noncontrolling shareholder interest	$ (11,748)	0	0
Postretirement benefit plans:
Other comprehensive income		$ 795	$ (2,237)