XML 63 R50.htm IDEA: XBRL DOCUMENT v3.23.1
Business Acquisitions - Narrative (Details) - USD ($)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Jun. 30, 2022
Feb. 04, 2022
Business Acquisition [Line Items]          
Deferred revenue acquired   $ 0      
Goodwill acquired $ 5,677,000        
Goodwill 346,585,000 339,209,000 $ 342,430,000    
Summit Healthcare Services, Inc.          
Business Acquisition [Line Items]          
Revenue of acquiree since acquisition date 6,800,000        
Consideration transferred 12,200,000        
Working capital adjustment, decrease acquisition purchase price 2,100,000        
Deferred revenue related to acquisition 1,300,000        
Deferred revenue acquired 4,800,000       $ 4,839,000
Goodwill acquired 5,700,000        
Expected income tax deductible amount $ 5,700,000        
Goodwill         $ 5,677,000
Summit Healthcare Services, Inc. | Accounting Standards Update 2021-08          
Business Acquisition [Line Items]          
Deferred revenue acquired       $ 900,000  
SRFax          
Business Acquisition [Line Items]          
Revenue of acquiree since acquisition date     7,300,000    
Consideration transferred     25,000,000    
SEOmoz | Discontinued Operations          
Business Acquisition [Line Items]          
Revenue of acquiree since acquisition date   14,400,000      
Consideration transferred   $ 66,500,000      
Inspired eLearning | Discontinued Operations          
Business Acquisition [Line Items]          
Revenue of acquiree since acquisition date     1,600,000    
Consideration transferred     $ 20,500,000