Ten Point Seven Five Percent Series B Cumulative Exchangeable Redeemable Preferred Stock (Details Textual) (USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended		9 Months Ended
	Oct. 15, 2013	Apr. 15, 2013	Sep. 30, 2014	Jun. 30, 2014
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	$ 1,000
Dividends (per share)		$ 26.875
Aggregate cumulative unpaid dividends			$ 43.4