Quarterly report pursuant to Section 13 or 15(d)

Investments in Affiliated Companies - Narratives (Details)

v3.19.1
Investments in Affiliated Companies - Narratives (Details) - Business Combination - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Business Acquisition      
Net purchase accounting fair value adjustments $ 255,508   $ 258,066
Amortization of investment in affiliate step-up $ 2,558 $ 1,658