Restructuring - Summary of Ongoing Restructuring Activities (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 24 Months Ended |
Jun. 30, 2017 | Jun. 30, 2017 | Jun. 30, 2016 | Dec. 31, 2016 |
Restructuring Cost and Reserve [Line Items] | | | | |
Restructuring costs incurred | $ 900 | $ 1,635 | $ 768 | $ 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 | 900 | 1,000 | | 600 |
Shadyside Stamping | | | | |
Restructuring Cost and Reserve [Line Items] | | | | |
Restructuring costs incurred | 0 | 600 | | 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 | | 49 | $ 464 | |
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 | (400) | (400) | | 500 |
Employee Costs | Shadyside Stamping | Cost of Revenues | | | | |
Restructuring Cost and Reserve [Line Items] | | | | |
Restructuring costs incurred | (100) | 400 | | 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 | 1,300 | 1,400 | | 100 |
Facility and other costs | Shadyside Stamping | Cost of Revenues | | | | |
Restructuring Cost and Reserve [Line Items] | | | | |
Restructuring costs incurred | $ 100 | 200 | | $ 200 |
Minimum | | | | |
Restructuring Cost and Reserve [Line Items] | | | | |
Total Expense | | 5,900 | | |
Expected Future Expense (Income) | | 0 | | |
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 | | 2,100 | | |
Expected Future Expense (Income) | | (400) | | |
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 | | 2,300 | | |
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) | | (600) | | |
Maximum | | | | |
Restructuring Cost and Reserve [Line Items] | | | | |
Total Expense | | 7,000 | | |
Expected Future Expense (Income) | | 1,100 | | |
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 | | 2,800 | | |
Expected Future Expense (Income) | | 300 | | |
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) | | 500 | | |
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 | | 200 | | |
Expected Future Expense (Income) | | $ (200) | | |