Subsequent Events (Details Textual) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended
	Apr. 10, 2017	Apr. 05, 2017	Mar. 31, 2017	Mar. 31, 2016
Subsequent Event [Line Items]
Proceeds from Issuance of Common Stock			$ 26,601	$ 0
Subsequent Event [Member]
Subsequent Event [Line Items]
Total Purchase Price Of Property	$ 16,000
Escrow Deposits Related to Property Sales	$ 1,600
Subsequent Event [Member] | Rights Offering [Member]
Subsequent Event [Line Items]
Stock Issued During Period, Shares, New Issues		1,884,564
Shares Issued, Price Per Share		$ 7.50
Proceeds from Issuance of Common Stock		$ 14,100