Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (33,400)	$ 69,280	$ 80,070
Other comprehensive income
Defined pension and postretirement pension plans, net of tax	1,810	(3,340)	1,600
Foreign currency translation	(12,370)	(13,820)	(15,770)
Net changes in unrealized gain (loss) on derivative instruments, net of tax	(2,650)	(450)	2,740
Other Comprehensive Income (Loss), Net of Tax	(13,210)	(17,610)	(11,430)
Total comprehensive income (loss)	(46,610)	51,670	68,640
Net income attributable to noncontrolling interest	0	810	4,520
Total comprehensive income (loss) attributable to TriMas Corporation	$ (46,610)	$ 50,860	$ 64,120