Quarterly report pursuant to Section 13 or 15(d)

Statements of Comprehensive Income (Parenthetical)

v3.5.0.2
Statements of Comprehensive Income (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Income Statement [Abstract]        
Depreciation $ 2,908 $ 2,944 $ 5,855 $ 5,900