Segment Reporting and Geographic Locations - Summary Composition by Product Category of Revenues (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenue from External Customer [Line Items]
Revenues	$ 149,966	$ 153,604	$ 178,251	$ 180,291	$ 184,692	$ 202,729	$ 217,617	$ 220,303	$ 662,112	$ 825,341	$ 839,743
Percent of net revenues (as a percent)									100.00%	100.00%	100.00%
Seats and seating systems
Revenue from External Customer [Line Items]
Revenues									$ 280,575	$ 339,724	$ 351,621
Percent of net revenues (as a percent)									42.00%	41.00%	42.00%
Trim systems and components
Revenue from External Customer [Line Items]
Revenues									$ 132,623	$ 179,713	$ 163,399
Percent of net revenues (as a percent)									20.00%	22.00%	19.00%
Electronic wire harnesses and panel assemblies
Revenue from External Customer [Line Items]
Revenues									$ 149,417	$ 154,417	$ 180,237
Percent of net revenues (as a percent)									23.00%	19.00%	21.00%
Cab structures, sleeper boxes, body panels and structural components
Revenue from External Customer [Line Items]
Revenues									$ 57,605	$ 96,046	$ 89,168
Percent of net revenues (as a percent)									9.00%	12.00%	11.00%
Mirrors, wipers and controls
Revenue from External Customer [Line Items]
Revenues									$ 41,892	$ 55,441	$ 55,318
Percent of net revenues (as a percent)									6.00%	6.00%	7.00%