Annual report pursuant to Section 13 and 15(d)

Investments in Affiliated Companies - Narratives (Details)

v3.19.3.a.u2
Investments in Affiliated Companies - Narratives (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Business Acquisition      
Amortization of investment in affiliate step-up $ (7,534) $ (6,634)  
Equity Method Investee      
Business Acquisition      
Due from related parties 3,593 4,775  
Related party sales 4,181 2,823 $ 2,853
Purchases from related party 803 645 2,475
Business Combination      
Business Acquisition      
Net purchase accounting fair value adjustments 250,532 258,066  
Amortization of investment in affiliate step-up $ 7,534 $ 6,634 $ 8,599