Ten Point Seven Five Percent Series B Cumulative Exchangeable Redeemable Preferred Stock (Details Textual) - USD ($) $ / shares in Units, $ in Millions		9 Months Ended
	Oct. 15, 2013	Sep. 30, 2015
10 3/4% Series B Cumulative Exchangeable Redeemable Preferred Stock (Textual) [Abstract]
Rate of redemption of Preferred stock at purchase price		100.00%
Series B Preferred Stock
10 3/4% Series B Cumulative Exchangeable Redeemable Preferred Stock (Textual) [Abstract]
Stock requested to be repurchased	92,223
Purchase price of stock requested to be repurchased	$ 126.9
Stock repurchased	1,800
Purchase price of stock repurchased	$ 2.5
Dividends on Series B preferred stock		10.75%
Liquidation preference per share		$ 1,000
Preferred stock outstanding carrying value		$ 53.1