Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical)

v3.6.0.2
CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Statement Of Cash Flows [Abstract]      
Tax effect on fair value of interest rate swap agreements $ 2,178 $ 205 $ 1,769