Loans Receivable (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012 TypesOfFinancing		Dec. 31, 2010	Dec. 31, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	$ 72,540	[1]		$ 66,619	[1]
Number of types of financing receivable	2
Recorded loan loss			3,756
Minimum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Imputed interest rate	4.60%
Maximum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Imputed interest rate	20.00%
Norwalk, Connecticut [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	3,479	[1],[2]		0	[1],[2]
Interest Rate	7.50%	[2]
Maximum contracted lending amount	32,600
Homestead Florida [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	8,036	[1]		0	[1]
Interest Rate	7.50%
Schaumburg, Illinios [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	21,885	[1],[3]		21,458	[1],[3]
Interest Rate	20.00%	[3]
Unrecorded interest income related to impaired loan	2,647
Westmont, Illinios [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	26,902	[1]		27,228	[1]
Interest Rate	6.45%
Southfield, Michigan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	7,364	[1]		8,065	[1]
Interest Rate	4.55%
New Kingstown, Pennsylvania [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	0	[1]		2,941	[1]
Interest Rate	7.78%
Austin, Texas [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	2,038	[1]		1,738	[1]
Interest Rate	16.00%
Other Loan Locations [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	$ 2,836	[1]		$ 5,189	[1]
Interest Rate	8.00%

[1] Loan carrying value includes accrued interest and is net of origination costs and fee eliminations, if any.

[2] The Company is committed to lend up to $32,600.

[3] Loan is in default. The Company did not record interest of $2,647 in 2012 representing the interest earned since default. The Company believes the office property collateral has an estimated fair value in excess of the Company's investment and the Company has initiated foreclosure proceedings.