XML 123 R110.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Acquisitions - Preliminary Purchase (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Sep. 21, 2018
Sep. 30, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Business Acquisition [Line Items]          
Providence’s acquisition date fair value equity interest in Circulation     $ 0 $ 9,577 $ 0
Total consideration     $ 0 $ 54,700 $ 0
Circulation          
Business Acquisition [Line Items]          
Cash purchase of common stock $ 45,123        
Providence’s acquisition date fair value equity interest in Circulation 9,577 $ 9,577      
Total consideration $ 54,700