Subsequent Events (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Aug. 02, 2017	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Common Stock, Dividends, Per Share, Declared		$ 0.15	$ 0.15	$ 0.30	$ 0.30
Subsequent Event [Member]
Common Stock, Dividends, Per Share, Declared	$ 0.15
Dividends Payable	$ 824