XML 131 R118.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Derivatives - Effect of Derivative Instruments on Income Statement (Details) - Interest rate swaps - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Effect of derivative instruments on results of operations      
Pre-tax gain (loss) recognized in other comprehensive income (loss) $ (6,785) $ 3,512 $ 5,553
Interest expense      
Effect of derivative instruments on results of operations      
Pre-tax gain (loss) reclassified from accumulated other comprehensive income (loss) into interest expense $ 2,278 $ 617 $ (3,209)