Annual report pursuant to Section 13 and 15(d)

Payment of Dividends (Details)

v3.6.0.2
Payment of Dividends (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 08, 2015
Dec. 09, 2014
Dec. 31, 2016
Dec. 31, 2015
Jan. 03, 2015
Payments of Dividends [Abstract]          
Dividends paid (in dollars per share) $ 0.30 $ 0.30 $ 0 $ 0.30 $ 0.30
Total outlay for dividends $ 2,618 $ 2,633 $ 0