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Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Statement of Comprehensive Income [Abstract]        
Tax (benefit) provision of unrealized loss on interest rate swap $ 154 $ (713) $ 1,462 $ 9,345
Tax provision of reclassification adjustment $ 1,027 $ (1,267) $ (3,581) $ (3,822)