Quarterly report pursuant to Section 13 or 15(d)

Investments in Affiliated Companies - Summarized Income Statement (Details)

v3.19.3
Investments in Affiliated Companies - Summarized Income Statement (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Equity Method Investment, Summarized Financial Information        
Sales $ 121,471 $ 74,088 $ 279,503 $ 271,562
Gross profit 48,416 24,495 102,966 100,686
Operating income 37,958 14,594 74,217 72,257
Net income $ 37,852 $ 14,545 $ 75,002 $ 72,204