Impairment Charges (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012 properties	Mar. 31, 2011
Number of vineyard properties for sale (in properties)	1
Number of winery properties for sale (in properties)	3
Asset impairment charges relating to winery and vineyard properties	$ 12,042	$ 0
Impairment charges on discontinued operations	801	1,800
Significant Unobservable Inputs (Level 3) [Member]
Fair value of rental properties for sale	47,100
Fair Value, Measurements, Nonrecurring [Member]
Fair value of rental properties for sale	43,233
Asset impairment charges relating to winery and vineyard properties	12,000
Fair Value, Measurements, Nonrecurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair value of rental properties for sale	43,233
Segment, Discontinued Operations [Member]
Rental Properties		3,900
Impairment charges on discontinued operations	800
Vineyard And Winery Facility Member
Asset impairment charges relating to winery and vineyard properties	$ 12,800