Annual report pursuant to Section 13 and 15(d)

Acquisitions (Acquisition Of Portfolio Center Business, Narrative) (Details)

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Acquisitions (Acquisition Of Portfolio Center Business, Narrative) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Apr. 01, 2019
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Business Acquisition [Line Items]        
Amortization expense   $ 68,587 $ 73,559 $ 68,452
PortfolioCenter        
Business Acquisition [Line Items]        
Cash consideration $ 17,500      
Contingent consideration liability $ 8,200      
Contingent consideration, accreted balance     $ 10,200  
Revenue since acquisition       6,700
Net income (loss) since acquisition       (2,600)
Amortization expense       $ 1,500
PortfolioCenter | Earn-out Contingent Consideration        
Business Acquisition [Line Items]        
Payment of contingent consideration liability   $ 10,500