Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangibles - Carrying amount of goodwill (Details)

v3.19.3
Goodwill and Intangibles - Carrying amount of goodwill (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Finite-Lived Intangible Assets [Line Items]        
Goodwill, Beginning Balance     $ 10,488  
Third quarter impairment $ (4,359) $ 0 (4,359) $ 0
Goodwill, Ending Balance 6,129   6,129  
Construction        
Finite-Lived Intangible Assets [Line Items]        
Goodwill, Beginning Balance     4,359  
Third quarter impairment (4,359)   (4,359)  
Goodwill, Ending Balance 0   0  
Service        
Finite-Lived Intangible Assets [Line Items]        
Goodwill, Beginning Balance     6,129  
Third quarter impairment     0  
Goodwill, Ending Balance $ 6,129   $ 6,129