Discontinued Operations (Operating Results Relating To Assets Disposed) (Details) (USD $)	3 Months Ended		12 Months Ended
	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2011	Dec. 31, 2010 acres building	Dec. 31, 2009 acres building
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of acres of vineyard and winery facility sold				10	10
Number of buildings sold				1	1
Rental revenue			$ 5,220,000	$ 18,743,000	$ 11,594,000
Tenant reimbursements			2,409,000	9,305,000	2,874,000
Other income			277,000	32,000	57,000
Mortgage and other financing income			4,000	5,000	0
Total revenue			7,910,000	28,085,000	14,525,000
Property operating expense			3,114,000	14,977,000	6,907,000
Other expense			328,000	308,000	425,000
General and administrative expenses			0	2,000	45,000
Costs associated with loan refinancing or payoff			225,000	4,236,000	0
Interest expense, net			(16,000)	5,689,000	7,184,000
Transaction costs			0	7,270,000	0
Impairment charges	7,100,000	1,800,000	8,941,000	0	40,076,000
Depreciation and amortization			2,160,000	8,068,000	6,318,000
Loss before gain on sale or acquisition of real estate			(6,842,000)	(12,465,000)	(46,430,000)
Gain on sale or acquisition of real estate			19,545,000	8,287,000	0
Net income (loss)			12,703,000	(4,178,000)	(46,430,000)
Gary Farrel Winery [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Lease termination fees in rental revenue			1,000,000
In Place Leases [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Depreciation and amortization			800,000	2,700,000
Above Market Leases [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued Operations, Amortization in Rental Revenue			$ 20,000	$ 200,000