XML 293 R70.htm IDEA: XBRL DOCUMENT v3.20.1
Investments in Unconsolidated Entities - Narrative (Details) - USD ($)
 1 Months Ended 3 Months Ended 12 Months Ended
Mar. 31, 2019
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Feb. 26, 2019
Schedule of Equity Method Investments [Line Items]          
Ownership interest (as a percent)   50.00%   50.00%  
Total revenues   $ (59,200,000) $ 433,600,000    
Total assets   3,739,700,000   $ 3,983,200,000  
Total liabilities   780,600,000   838,500,000  
MediaAlpha          
Schedule of Equity Method Investments [Line Items]          
Ownership interest (as a percent)         48.30%
Fully diluted ownership interest (as a percent)         42.00%
Assets, fair value $ 114,700,000   114,700,000   $ 114,700,000
Unrealized investment gain   30,000,000.0 114,700,000 180,000,000.0  
MediaAlpha          
Schedule of Equity Method Investments [Line Items]          
Total revenues   0 48,800,000    
MediaAlpha | MediaAlpha          
Schedule of Equity Method Investments [Line Items]          
Total revenues 33,500,000        
Expenses 32,500,000        
Pre-tax income $ 1,100,000        
MediaAlpha          
Schedule of Equity Method Investments [Line Items]          
Total revenues   119,500,000 48,800,000    
Expenses   109,500,000 54,900,000    
Total assets   108,400,000   106,900,000  
Total liabilities   137,500,000   $ 144,600,000  
Net Income (Loss) Attributable to Parent   $ 10,000,000.0 $ (6,100,000)