Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets - Additional Information (Details)

v3.20.2
Goodwill and Intangible Assets - Additional Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]          
Reporting units, fair value in excess of carrying amounts         15.00%
Gross Carrying Amount $ 26,763   $ 26,763   $ 26,966
Accumulated Amortization 25,691   25,691   25,352
Intangible assets, net 1,072   1,072   1,614
Amortization of intangible assets 172 $ 224 528 $ 681  
Customer contracts          
Finite-Lived Intangible Assets [Line Items]          
Gross Carrying Amount 7,847   7,847   7,904
Accumulated Amortization 7,847   7,847   7,844
Amortization of intangible assets 15 22 60 67  
Other intangible assets          
Finite-Lived Intangible Assets [Line Items]          
Amortization of intangible assets 157 $ 202 468 $ 614  
Customer relationships          
Finite-Lived Intangible Assets [Line Items]          
Gross Carrying Amount 12,634   12,634   12,749
Accumulated Amortization 11,585   11,585   11,236
Non-compete agreements          
Finite-Lived Intangible Assets [Line Items]          
Gross Carrying Amount 3,021   3,021   3,037
Accumulated Amortization 3,021   3,021   3,037
Technology          
Finite-Lived Intangible Assets [Line Items]          
Gross Carrying Amount 2,719   2,719   2,732
Accumulated Amortization 2,706   2,706   2,704
Trade names          
Finite-Lived Intangible Assets [Line Items]          
Gross Carrying Amount 542   542   544
Accumulated Amortization $ 532   $ 532   $ 531
Minimum | Customer contracts          
Finite-Lived Intangible Assets [Line Items]          
Acquired intangible assets useful life     1 year    
Minimum | Other intangible assets          
Finite-Lived Intangible Assets [Line Items]          
All other acquired intangible assets useful life     4 years    
Maximum | Customer contracts          
Finite-Lived Intangible Assets [Line Items]          
Acquired intangible assets useful life     5 years    
Maximum | Other intangible assets          
Finite-Lived Intangible Assets [Line Items]          
All other acquired intangible assets useful life     15 years