Consolidated Statements of Equity (Unaudited) (USD $) In Thousands, except Share data	Total	Common Shares of Beneficial Interest Outstanding [Member]	Additional Paid-in Capital [Member]	Net Unrealized Appreciation of Retained Interests in Transferred Assets [Member]	Cumulative Net Income [Member]	Cumulative Dividends [Member]	Treasury Stock [Member]	Cumulative Preferred Stock of Subsidiary [Member]
Beginning Balance at Dec. 31, 2010	$ 150,560	$ 111	$ 152,756	$ 276	$ 172,449	$ (171,031)	$ (4,901)	$ 900
Beginning Balance, shares at Dec. 31, 2010		10,559,554
Net unrealized appreciation (depreciation)	95			95
Share-based compensation expense, shares		15,000
Share-based compensation expense	162		162
Dividends ($0.48 per share)	(5,075)					(5,075)
Net income (loss)	2,988				2,988
Ending Balance at Sep. 30, 2011	148,730	111	152,918	371	175,437	(176,106)	(4,901)	900
Ending Balance, shares at Sep. 30, 2011		10,574,554
Beginning Balance at Dec. 31, 2011	147,736	111	152,934	394	176,096	(177,798)	(4,901)	900
Beginning Balance, shares at Dec. 31, 2011	10,574,554	10,574,554
Net unrealized appreciation (depreciation)	(117)			(117)
Share-based compensation expense, shares		15,000
Share-based compensation expense	119		119
Dividends ($0.48 per share)	(5,083)					(5,083)
Net income (loss)	(97)				(97)
Ending Balance at Sep. 30, 2012	$ 142,558	$ 111	$ 153,053	$ 277	$ 175,999	$ (182,881)	$ (4,901)	$ 900
Ending Balance, shares at Sep. 30, 2012	10,589,554	10,589,554