Annual report pursuant to Section 13 and 15(d)

Acquisitions - Acquisition of 5 Star Narrative (Details)

v3.19.3.a.u2
Acquisitions - Acquisition of 5 Star Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Jul. 01, 2017
Jun. 05, 2017
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Business Acquisition [Line Items]          
Cash paid to acquire a business     $ 0 $ 20,824 $ 42,008 [1]
5 Star          
Business Acquisition [Line Items]          
Cash paid to acquire a business $ 2,400        
Acquisition related costs         $ 100
Minimum          
Business Acquisition [Line Items]          
Finite-lived intangible asset, useful life (in years)   5 years      
Maximum          
Business Acquisition [Line Items]          
Finite-lived intangible asset, useful life (in years)   10 years      
Maximum | 5 Star          
Business Acquisition [Line Items]          
Finite-lived intangible asset, useful life (in years) 10 years        
[1] (a) Financial information includes the results attributable to Sturgeon for the entire period presented. See Note 4.