Subsequent Events (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Oct. 24, 2017	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Common Stock, Dividends, Per Share, Declared		$ 0.15	$ 0.15	$ 0.45	$ 0.45
Subsequent Event [Member]
Common Stock, Dividends, Per Share, Declared	$ 0.15
Dividends Payable	$ 824