Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data	9 Months Ended	12 Months Ended
	Sep. 30, 2011	Dec. 31, 2010
Consolidated Balance Sheets [Abstract]
Accumulated depreciation for operating lease	$ 221,488	$ 192,377
Allowances for operating lease receivable	310	423
Accumulated depreciation for property, equipment & furnishings	4,626	3,984
Discount of notes payable	2,212	2,617
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	3,475,000	3,475,000
Preferred stock, shares outstanding	3,475,000	3,475,000
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	20,000,000	20,000,000
Common stock, shares issued	9,154,200	9,181,365
Common stock, shares outstanding	9,154,200	9,181,365
Accumulated other comprehensive loss, income tax benefit	$ 6,160	$ 6,087