Quarterly report pursuant to Section 13 or 15(d)

Acquisition of Citizen Engagement Centers Business - Components of Intangible Assets (Details)

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Acquisition of Citizen Engagement Centers Business - Components of Intangible Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Sep. 30, 2018
Finite-Lived Intangible Assets [Line Items]    
Cost $ 258,356 $ 139,359
Accumulated Amortization 53,803 51,324
Intangible Assets, net 204,553 88,035
Customer contracts and relationships    
Finite-Lived Intangible Assets [Line Items]    
Cost 248,323 129,113
Accumulated Amortization 45,273 42,683
Intangible Assets, net 203,050 86,430
Technology based intangible assets    
Finite-Lived Intangible Assets [Line Items]    
Cost 5,564 5,750
Accumulated Amortization 4,113 4,212
Intangible Assets, net 1,451 1,538
Trademarks and trade names    
Finite-Lived Intangible Assets [Line Items]    
Cost 4,469 4,496
Accumulated Amortization 4,417 4,429
Intangible Assets, net $ 52 $ 67