Consolidated Statements of Equity (Unaudited) (USD $) In Thousands, except Share data	Total	Common Shares of Beneficial Interest Outstanding	Additional Paid-in Capital	Net Unrealized Appreciation of Retained Interests in Transferred Assets	Cumulative Net Income	Cumulative Dividends	Treasury Stock	Cumulative Preferred Stock of Subsidiary
Beginning Balance at Dec. 31, 2009	$ 152,458	$ 111	$ 152,611	$ 325	$ 167,686	$ (164,274)	$ (4,901)	$ 900
Beginning Balance, shares at Dec. 31, 2009		10,548,354
Cumulative effect adjustment	201			(265)	466
Net unrealized appreciation	196			196
Shares issued through exercise of stock options	11		11
Shares issued through exercise of stock options, shares		1,500
Share-based compensation expense	116		116
Share-based compensation expense, shares		9,700
Dividends ($0.48 per share)	(5,067)					(5,067)
Net income	3,708				3,708
Ending Balance at Sep. 30, 2010	151,623	111	152,738	256	171,860	(169,341)	(4,901)	900
Ending Balance, shares at Sep. 30, 2010		10,559,554
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	10,559,554
Net unrealized appreciation	95			95
Share-based compensation expense	162		162
Share-based compensation expense, shares		15,000
Dividends ($0.48 per share)	(5,075)					(5,075)
Net income	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	10,574,554