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Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Tax (benefit) provision of unrealized gain (loss) on interest rate swap $ 2,067 $ 620 $ 1,037
SG&A      
Tax benefit (provision) of reclassification adjustment (220) 0 0
Interest Expense      
Tax benefit (provision) of reclassification adjustment $ 1,235 $ 4,573 $ 5,036