Quarterly report pursuant to Section 13 or 15(d)

Investments in Affiliates Accounted for Using the Equity Method - (Investment in Lending Tree) (Details)

v3.20.1
Investments in Affiliates Accounted for Using the Equity Method - (Investment in Lending Tree) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Schedule of Equity Method Investments [Line Items]      
Carrying amount $ 166,565   $ 167,643
Share of earnings (losses) $ (707) $ (3,296)  
LendingTree      
Schedule of Equity Method Investments [Line Items]      
Percentage ownership 26.40%    
Market value $ 631,593    
Carrying amount 165,446   166,465
Share of earnings (losses) (800) $ 2,100  
Other      
Schedule of Equity Method Investments [Line Items]      
Carrying amount $ 1,119   $ 1,178