Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Comprehensive Income (Loss) (Parenthetical)

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Consolidated Statements of Comprehensive Income (Loss) (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]        
Unrealized loss from interest rate hedge, tax benefit (provision) $ 3 $ (100) $ 150 $ 1,256