Restructuring - Summary of Ongoing Restructuring Activities (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 24 Months Ended | |
Sep. 30, 2017 | Sep. 30, 2017 | Sep. 30, 2016 | Dec. 31, 2016 | Nov. 19, 2015 |
Restructuring Cost and Reserve [Line Items] | | | | | |
Restructuring costs incurred | $ 400 | $ 2,013 | $ 2,289 | $ 4,300 | |
Edgewood Wire Harness | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Restructuring costs incurred | 0 | 0 | | 400 | |
Piedmont Seating | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Restructuring costs incurred | 0 | 0 | | 1,000 | |
Monona Wire Harness | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Restructuring costs incurred | 0 | 1,000 | | 600 | |
Shadyside Stamping | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Restructuring costs incurred | 400 | 1,000 | | 1,900 | |
Other Restructuring | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Restructuring costs incurred | 0 | 0 | | 400 | |
Employee Costs | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Restructuring costs incurred | | 212 | $ 1,721 | | |
Employee Costs | Edgewood Wire Harness | Cost of Revenues | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Restructuring costs incurred | 0 | 0 | | 300 | |
Employee Costs | Piedmont Seating | Cost of Revenues | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Restructuring costs incurred | 0 | 0 | | 600 | |
Employee Costs | Monona Wire Harness | Cost of Revenues | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Restructuring costs incurred | 0 | (400) | | 500 | |
Employee Costs | Shadyside Stamping | Cost of Revenues | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Restructuring costs incurred | 200 | 600 | | 1,700 | |
Employee Costs | Other Restructuring | Cost of Revenues | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Restructuring costs incurred | 0 | 0 | | 100 | |
Employee Costs | Other Restructuring | Selling, general and administrative | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Restructuring costs incurred | 0 | 0 | | 300 | |
Facility and other costs | Edgewood Wire Harness | Cost of Revenues | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Restructuring costs incurred | 0 | 0 | | 100 | |
Facility and other costs | Piedmont Seating | Cost of Revenues | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Restructuring costs incurred | 0 | 0 | | 400 | |
Facility and other costs | Monona Wire Harness | Cost of Revenues | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Restructuring costs incurred | 0 | 1,400 | | 100 | |
Facility and other costs | Shadyside Stamping | Cost of Revenues | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Restructuring costs incurred | $ 200 | 400 | | $ 200 | |
Minimum | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Expected Future Expense (Income) | | 200 | | | |
Expected restructuring costs | | | | | $ 6,500 |
Minimum | Edgewood Wire Harness | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 400 | | | |
Expected Future Expense (Income) | | 0 | | | |
Minimum | Piedmont Seating | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 1,000 | | | |
Expected Future Expense (Income) | | 0 | | | |
Minimum | Monona Wire Harness | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 2,000 | | | |
Expected Future Expense (Income) | | 400 | | | |
Minimum | Shadyside Stamping | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 2,700 | | | |
Expected Future Expense (Income) | | (200) | | | |
Minimum | Other Restructuring | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 400 | | | |
Expected Future Expense (Income) | | 0 | | | |
Minimum | Employee Costs | Edgewood Wire Harness | Cost of Revenues | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 300 | | | |
Expected Future Expense (Income) | | 0 | | | |
Minimum | Employee Costs | Piedmont Seating | Cost of Revenues | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 600 | | | |
Expected Future Expense (Income) | | 0 | | | |
Minimum | Employee Costs | Monona Wire Harness | Cost of Revenues | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 100 | | | |
Expected Future Expense (Income) | | 0 | | | |
Minimum | Employee Costs | Shadyside Stamping | Cost of Revenues | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 2,500 | | | |
Expected Future Expense (Income) | | 200 | | | |
Minimum | Employee Costs | Other Restructuring | Cost of Revenues | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 100 | | | |
Expected Future Expense (Income) | | 0 | | | |
Minimum | Employee Costs | Other Restructuring | Selling, general and administrative | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 300 | | | |
Expected Future Expense (Income) | | 0 | | | |
Minimum | Facility and other costs | Edgewood Wire Harness | Cost of Revenues | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 100 | | | |
Expected Future Expense (Income) | | 0 | | | |
Minimum | Facility and other costs | Piedmont Seating | Cost of Revenues | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 400 | | | |
Expected Future Expense (Income) | | 0 | | | |
Minimum | Facility and other costs | Monona Wire Harness | Cost of Revenues | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 1,900 | | | |
Expected Future Expense (Income) | | 400 | | | |
Minimum | Facility and other costs | Shadyside Stamping | Cost of Revenues | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 200 | | | |
Expected Future Expense (Income) | | (400) | | | |
Maximum | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Expected Future Expense (Income) | | 1,300 | | | |
Expected restructuring costs | | | | | $ 7,600 |
Maximum | Edgewood Wire Harness | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 400 | | | |
Expected Future Expense (Income) | | 0 | | | |
Maximum | Piedmont Seating | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 1,000 | | | |
Expected Future Expense (Income) | | 0 | | | |
Maximum | Monona Wire Harness | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 2,400 | | | |
Expected Future Expense (Income) | | 800 | | | |
Maximum | Shadyside Stamping | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 3,400 | | | |
Expected Future Expense (Income) | | 500 | | | |
Maximum | Other Restructuring | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 400 | | | |
Expected Future Expense (Income) | | 0 | | | |
Maximum | Employee Costs | Edgewood Wire Harness | Cost of Revenues | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 300 | | | |
Expected Future Expense (Income) | | 0 | | | |
Maximum | Employee Costs | Piedmont Seating | Cost of Revenues | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 600 | | | |
Expected Future Expense (Income) | | 0 | | | |
Maximum | Employee Costs | Monona Wire Harness | Cost of Revenues | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 100 | | | |
Expected Future Expense (Income) | | 0 | | | |
Maximum | Employee Costs | Shadyside Stamping | Cost of Revenues | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 2,600 | | | |
Expected Future Expense (Income) | | 300 | | | |
Maximum | Employee Costs | Other Restructuring | Cost of Revenues | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 100 | | | |
Expected Future Expense (Income) | | 0 | | | |
Maximum | Employee Costs | Other Restructuring | Selling, general and administrative | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 300 | | | |
Expected Future Expense (Income) | | 0 | | | |
Maximum | Facility and other costs | Edgewood Wire Harness | Cost of Revenues | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 100 | | | |
Expected Future Expense (Income) | | 0 | | | |
Maximum | Facility and other costs | Piedmont Seating | Cost of Revenues | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 400 | | | |
Expected Future Expense (Income) | | 0 | | | |
Maximum | Facility and other costs | Monona Wire Harness | Cost of Revenues | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 2,300 | | | |
Expected Future Expense (Income) | | 800 | | | |
Maximum | Facility and other costs | Shadyside Stamping | Cost of Revenues | | | | | |
Restructuring Cost and Reserve [Line Items] | | | | | |
Total Expense | | 800 | | | |
Expected Future Expense (Income) | | $ 200 | | | |