Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Comprehensive Income (Parenthetical) (Unaudited)

v3.7.0.1
Consolidated Statements of Comprehensive Income (Parenthetical) (Unaudited) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Income Statement [Abstract]        
Depreciation $ 2,522 $ 2,908 $ 5,211 $ 5,855