XML 75 R52.htm IDEA: XBRL DOCUMENT v3.20.2
Equity Method Investments - Summarized Financial Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Schedule of Equity Method Investments [Line Items]          
Current Assets $ 35,604   $ 35,604   $ 33,570
Current liabilities 23,946   23,946   35,082
Revenues 142,268 $ 137,556 423,306 $ 445,382  
Operating income 51,765 34,729 134,688 96,097  
Net Income 46,328 30,530 118,539 75,112  
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | Red River          
Schedule of Equity Method Investments [Line Items]          
Current Assets 16,738   16,738   9,278
Non-current Assets 413,879   413,879   381,778
Current liabilities 9,556   9,556   8,291
Revenues 13,919 19,195 35,888 45,212  
Gross Profit 8,189 14,469 21,251 28,935  
Operating income 8,020 14,318 20,717 21,461  
Net Income 8,022 14,342 20,768 27,994  
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | Joint Ventures [Member]          
Schedule of Equity Method Investments [Line Items]          
Current Assets 20,897   20,897   29,476
Non-current Assets 256,420   256,420   262,300
Current liabilities 2,660   2,660   $ 6,391
Revenues 14,227 14,602 42,412 33,793  
Gross Profit 9,634 9,965 28,468 20,549  
Operating income 9,135 9,428 26,999 19,052  
Net Income $ 9,136 $ 9,458 $ 27,023 $ 19,124