Annual report pursuant to Section 13 and 15(d)

Goodwill and Intangible Assets - Intangible Assets (Details)

v3.10.0.1
Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 26,164 $ 25,998
Accumulated Amortization 24,160 23,558
Intangible assets, net 2,004 2,440
Customer contracts    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 7,818 7,786
Accumulated Amortization 7,668 7,786
Customer relationships    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 12,082 11,863
Accumulated Amortization 10,302 9,557
Non-compete agreements    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 3,013 3,052
Accumulated Amortization 3,013 3,048
Technology    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 2,710 2,751
Accumulated Amortization 2,651 2,642
Trade names    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 541 546
Accumulated Amortization $ 526 $ 525