Mortgage Loans On Real Estate (Details) (USD $)	12 Months Ended
	Dec. 31, 2012
Mortgage Loans on Real Estate [Line Items]
Face Amount of Mortgages	$ 91,662,000
Carrying Amount of Mortgages	91,662,000	[1]
Principal Amount of Loans Subject to Delinquent Principal or Interest	16,128,000	[2]
Aggregate cost for federal income tax purposes	91,700,000
Shopping Center [Member] | First Mortgages [Member] | 363-410 Burma, LLC [Member]
Mortgage Loans on Real Estate [Line Items]
State	TN
Interest Rate	6.50%
Final Maturity Date	Mar. 01, 2013
Periodic Payment Terms	$213 Annual P&I
Face Amount of Mortgages	2,291,000
Carrying Amount of Mortgages	2,291,000	[1]
Shopping Center [Member] | First Mortgages [Member] | College Park Realty Company [Member]
Mortgage Loans on Real Estate [Line Items]
State	NV
Interest Rate	7.00%
Final Maturity Date	Oct. 31, 2053
Periodic Payment Terms	At Maturity
Face Amount of Mortgages	3,410,000
Carrying Amount of Mortgages	3,410,000	[1]
Shopping Center [Member] | First Mortgages [Member] | American National Insurance Company [Member]
Mortgage Loans on Real Estate [Line Items]
State	TX
Interest Rate	5.95%
Final Maturity Date	Jan. 01, 2014
Periodic Payment Terms	$136 Annual P&I
Face Amount of Mortgages	1,405,000
Carrying Amount of Mortgages	1,405,000	[1]
Shopping Center [Member] | Construction Loans [Member] | WRI Alliance Riley Venture-Tranche A [Member]
Mortgage Loans on Real Estate [Line Items]
State	CA
Interest Rate	5.34%
Final Maturity Date	Jan. 01, 2014
Periodic Payment Terms	$4,175 Annual P&I
Face Amount of Mortgages	55,434,000
Carrying Amount of Mortgages	55,434,000	[1]
Shopping Center [Member] | Construction Loans [Member] | WRI Alliance Riley Venture-Tranche B [Member]
Mortgage Loans on Real Estate [Line Items]
State	CA
Interest Rate	10.00%
Final Maturity Date	Jan. 01, 2014
Periodic Payment Terms	$157 Annual P&I
Face Amount of Mortgages	740,000
Carrying Amount of Mortgages	740,000	[1]
Shopping Center [Member] | Construction Loans [Member] | Weingarten I-4 Clermont Landing, LLC [Member]
Mortgage Loans on Real Estate [Line Items]
State	FL
Interest Rate	2.92%
Final Maturity Date	Jun. 30, 2014
Periodic Payment Terms	$779 Annual P&I
Face Amount of Mortgages	12,254,000
Carrying Amount of Mortgages	12,254,000	[1]
Shopping Center [Member] | Construction Loans [Member] | Weingarten Miller Equiwest Salt Lake, LLC [Member]
Mortgage Loans on Real Estate [Line Items]
State	UT
Interest Rate	7.22%
Final Maturity Date	Nov. 19, 2012
Periodic Payment Terms	At Maturity
Face Amount of Mortgages	16,128,000
Carrying Amount of Mortgages	16,128,000	[1]
Principal Amount of Loans Subject to Delinquent Principal or Interest	$ 16,128,000	[2]

[1] The aggregate cost at December 31, 2012 for federal income tax purposes is $91.7 million, and there are no prior liens to be disclosed.

[2] The repayment of this note is being negotiated, and we do not expect to incur a loss associated with this transaction.