XML 80 R69.htm IDEA: XBRL DOCUMENT v3.19.2
Derivatives - Derivative Gain (Loss) Recognized in Income Statement (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Effect of derivative instruments on results of operations        
Interest expense $ 25,954 $ 23,337 $ 49,571 $ 45,884
Accumulated Other Comprehensive Income (Loss) | Reclassification adjustments        
Effect of derivative instruments on results of operations        
Interest expense $ (791) $ (207) $ (1,717) $ (153)