Quarterly report pursuant to Section 13 or 15(d)

Fair Value - Fair Value Liability Reconciliation (Details)

v3.10.0.1
Fair Value - Fair Value Liability Reconciliation (Details) - Recurring - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Henderson          
Fair value liability reconciliation          
Derivative Liability, Current   $ 111   $ 111  
Derivative Liability, Noncurrent   442   442  
Dejana          
Fair value liability reconciliation          
Derivative Liability, Noncurrent   3,700   3,700  
Level 2          
Fair value liability reconciliation          
Derivative Liability, Current $ 7   $ 7   $ 597
Derivative Liability, Noncurrent 942   942   $ 1,581
Level 3 | Henderson          
Reconciliation of liability related to earnout          
Balance at the beginning of the period 444 580 529 636  
Payments to former owners (31) (27) (116) (83)  
Balance at the end of the period 413 553 413 553  
Earnout, portion in other current liabilities 213   213    
Earnout, portion in other long term liabilities 200   200    
Level 3 | Dejana          
Reconciliation of liability related to earnout          
Balance at the beginning of the period 3,100 4,886 3,100 10,373  
Adjustments to fair value   (1,186)   (1,186)  
Payments to former owners       (5,487)  
Balance at the end of the period 3,100 $ 3,700 3,100 $ 3,700  
Earnout, portion in other long term liabilities $ 3,100   $ 3,100