Stockholders' Equity (Cash Dividends Paid) (Details) (USD $)	3 Months Ended		9 Months Ended	0 Months Ended							1 Months Ended		9 Months Ended	1 Months Ended		9 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Sep. 30, 2013	Sep. 04, 2013 Common Stock [Member]	Jun. 03, 2013 Common Stock [Member]	May 08, 2013 Common Stock [Member]		Mar. 04, 2013 Common Stock [Member]	Mar. 13, 2013 Common Stock [Member]		Apr. 29, 2013 Common Stock [Member]		Sep. 30, 2013 Common Stock [Member]	Jul. 30, 2013 9.50% Series A Preferred Stock [Member] Preferred Stock [Member]	Apr. 30, 2013 9.50% Series A Preferred Stock [Member] Preferred Stock [Member]	Sep. 30, 2013 9.50% Series A Preferred Stock [Member] Preferred Stock [Member]
Dividends Payable [Line Items]
Record Date				Aug. 16, 2013	May 16, 2013	May 07, 2013		Feb. 19, 2013	Mar. 11, 2013		Apr. 23, 2013			Jul. 29, 2013	Apr. 29, 2013
Payment Date				Sep. 04, 2013	Jun. 03, 2013	May 08, 2013		Mar. 04, 2013	Mar. 13, 2013		Apr. 29, 2013			Jul. 30, 2013	Apr. 30, 2013
Per Share Amount (in dollars per share)				$ 0.25	$ 0.25	$ 1.00	[1]	$ 0.25	$ 1.00	[1]	$ 1.00	[1]		$ 2.375	$ 1.79
Total Dividend Paid			$ 1,041,000	$ 1,812,000	$ 1,812,000	$ 29,000		$ 1,803,000	$ 23,000		$ 6,000		$ 5,485,000	$ 594,000	$ 447,000	$ 1,041,000
Payment of cash dividends related to unvested stock awards	$ 35,000	$ 23,000

[1] During the first quarter and second quarter of 2013, we paid an additional $23,000 and $35,000 respectively, in cash dividends related to unvested stock awards that was previously accrued. Upon vesting of these shares of restricted stock, these cash dividends were disbursed to the holders of those restricted shares.