Schedule IV - Mortgage Loans on Real Estate (Details) (USD $)	12 Months Ended											12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012 Individually Less Than 3% [Member] Mortgages [Member]	Dec. 31, 2012 Individually Less Than 3% [Member] Other Loans on Real Estate [Member]	Dec. 31, 2013 Individually Less Than 3% [Member]	Dec. 31, 2012 Individually Less Than 3% [Member] Minimum [Member] Mortgages [Member]	Dec. 31, 2013 Individually Less Than 3% [Member] Minimum [Member]	Dec. 31, 2012 Individually Less Than 3% [Member] Maximum [Member] Mortgages [Member]	Dec. 31, 2013 Individually Less Than 3% [Member] Maximum [Member]	Dec. 31, 2013 Mortgages [Member]		Dec. 31, 2013 Other Loans on Real Estate [Member]
Schedule IV - Mortgage Loans on Real Estate (Details) [Line Items]
Mortgage Loans on Real Estate, Federal Income Tax Basis (in Dollars)	$ 30,200,000
Mortgage Loans on Real Estate, Number of Loans	16				6
Mortgage Loans on Real Estate, Face Amount of Mortgages (in Dollars)	$ 50,378,000	[1]					$ 400,000		$ 1,500,000	$ 49,778,000	[1]	$ 600,000	[1]
Mortgage Loans on Real Estate, Minimum Interest Rate in Range			6.88%
Mortgage Loans on Real Estate, Maximum Interest Rate in Range			10.00%
Mortgage Loans on Real Estate, Term						11 years		17 years
				2.28%									[2]

[1] The instruments actual cash flows are denominated in U.S. dollars, Canadian Dollars and Mexican pesos as indicated by the geographic location above

[2] Interest rate 2.28%