Annual report pursuant to Section 13 and 15(d)

Investments in Affiliated Companies - Rollforward (Details)

v3.19.3.a.u2
Investments in Affiliated Companies - Rollforward (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Equity Method Investments      
Balance at beginning of period $ 468,211 $ 469,276  
Investments in affiliated companies 0 5,000 $ 9,000
Equity in net income of affiliated companies 53,568 44,245  
Charges related to purchase accounting fair value adjustments (7,534) (6,634)  
Dividends received from affiliated companies (40,123) (40,195) (44,071)
Return of investment 0 (695)  
Foreign currency translation adjustments (1,193) (2,786)  
Balance at end of period $ 472,929 $ 468,211 $ 469,276