Series A Preferred Stock (Details) - Series A Preferred Stock [Member] $ / shares in Units, $ in Thousands				12 Months Ended
	Apr. 15, 2016 $ / shares shares	Jun. 10, 2015 item	Dec. 30, 2005 shares	Dec. 31, 2015 USD ($) $ / shares item shares	Dec. 31, 2014 shares
Class of Stock [Line Items]
Preferred stock, shares sold | shares			1,521,258
Preferred stock, annual dividend rate			8.00%	8.00%	8.00%
Preferred stock, shares outstanding | shares				803,270	803,270
Preferred stock, liquidation preference per share				$ 10.00
Preferred stock, fixed annual amount of dividend per share				0.80
Preferred stock, redemption price				$ 10.00
Dividends unpaid and accrued | $				$ 1,452
Dividends unpaid and accrued per share				$ 1.807
Number of directors shareholders are entitled to elect | item				2
Number of voting classes | item		1		1
Number of directors elected | item		2		2
Preferred stock, stated maturity				0 years
Scenario, Forecast [Member]
Class of Stock [Line Items]
Preferred stock, shares outstanding | shares	803,270
Preferred stock, redemption price	$ 10.00
Dividends unpaid and accrued per share	$ 2.084940
Redemption date	Apr. 15, 2016