SCHEDULE IV (Details) (USD $)	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013	Dec. 31, 2012	Oct. 31, 2014
Mortgage Loans on Real Estate [Line Items]
Number of Loans	2	[1]
Non-recourse first mortgage loan Face Amount, Total mortgage	$ 4,991,000
Carrying Amount of Mortgages	4,991,000	[2],[3]
Principal Amount of Loans Subject to Delinquent Principal or Interest	0	[4]
Changes in the mortgage loans [Roll Forward]
Income Tax Basis of Mortgage Loans on Real Estate	4,990,000
First Mortgage [Member]
Mortgage Loans on Real Estate [Line Items]
Effective interest rate (in hundredths)	5.25%
Carrying Amount of Mortgages					3,552,000
Changes in the mortgage loans [Roll Forward]
Balance at beginning of year	8,870,000		9,323,000	4,110,000
Advances on mortgage loans receivable	0		0	5,223,000
Payments on mortgage loans receivable	(3,902,000)		(463,000)	(20,000)
Amortization of discount on mortgage loan receivable	23,000		10,000	10,000
Balance at end of year	4,991,000		8,870,000	9,323,000
JCB Limited - California - A [Member] | First Mortgage [Member] | Buildings [Member]
Mortgage Loans on Real Estate [Line Items]
Number of Loans	1
Stated interest rate (in hundredths)	5.25%
Non-recourse first mortgage Loan Maturity Date	10/2017
Periodic Payment Terms	Principal and interest due monthly
Non-recourse first mortgage loan Face Amount, Total mortgage	2,024,000
Carrying Amount of Mortgages	2,024,000
Principal Amount of Loans Subject to Delinquent Principal or Interest	0	[4]
JCB Limited - California - B [Member] | First Mortgage [Member] | Buildings [Member]
Mortgage Loans on Real Estate [Line Items]
Number of Loans	1
Stated interest rate (in hundredths)	5.25%
Non-recourse first mortgage Loan Maturity Date	10/2017
Periodic Payment Terms	Principal and interest due monthly
Non-recourse first mortgage loan Face Amount, Total mortgage	2,967,000
Carrying Amount of Mortgages	2,967,000
Principal Amount of Loans Subject to Delinquent Principal or Interest	$ 0	[4]

[1] Reference is made to allowance for possible losses on mortgage loans receivable in the Notes to Consolidated Financial Statements.

[2] The aggregate cost for federal income tax purposes is approximately $4.99 million. The federal income tax return for the year ended December 31, 2014, has not been filed and, accordingly, the income tax basis of mortgage loans as of December 31, 2014, is based on preliminary data.

[3] Changes in mortgage loans follow: Years Ended December 31,2014 2013 2012(In thousands)Balance at beginning of year$8,870 9,323 4,110Advances on mortgage loans receivable— — 5,223Payments on mortgage loans receivable(3,902) (463) (20)Amortization of discount on mortgage loan receivable23 10 10Balance at end of year$4,991 8,870 9,323

[4] Interest in arrears for three months or less is disregarded in computing principal amount of loans subject to delinquent interest.