XML 65 R52.htm IDEA: XBRL DOCUMENT v3.20.2
Debt - Interest Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Debt Disclosure [Abstract]        
Gross interest cost $ 34,075 $ 34,213 $ 103,069 $ 104,046
Capitalized interest (4,808) (2,748) (14,529) (8,095)
Interest expense $ 29,267 $ 31,465 $ 88,540 $ 95,951