XML 73 R62.htm IDEA: XBRL DOCUMENT v3.8.0.1
Derivatives - Effect of Derivative Instruments on Income Statement (Details) - Derivatives designated as cash flow hedges: - Interest rate swaps - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Effect of derivative instruments on results of operations        
Pre-tax Gain (Loss) Recognized in Other Comprehensive Income (Loss) on Derivatives $ 1,919 $ 2,049 $ 2,282 $ (7,401)
Interest expense        
Effect of derivative instruments on results of operations        
Pre-tax Loss Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (Loss) $ (678) $ (1,208) $ (2,521) $ (3,483)