Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net loss	$ (81,608)	$ (13,160)	$ (4,473)
Other comprehensive (loss) income:
Employee retirement plan adjustments, net of tax	(401)	(177)	373
Foreign currency translation adjustments	(3,062)	(4,555)	10,542
Net change in unrealized (losses) gains on cash flow hedges, net of tax	(1,609)	1,349	1,317
Total other comprehensive (loss) income	(5,072)	(3,383)	12,232
Comprehensive (loss) income	(86,680)	(16,543)	7,759
Less: Comprehensive income attributable to noncontrolling interests	0	0	43
Comprehensive (loss) income attributable to Jason Industries	$ (86,680)	$ (16,543)	$ 7,716