Impairments - Real Estate (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Impaired Long-Lived Assets Held and Used [Line Items]
Asset Impairment Charges	$ 1,153	$ 345	$ 4,004	$ 380
Segment, Continuing Operations [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Asset Impairment Charges	145	0	1,957	35
Segment, Discontinued Operations [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Asset Impairment Charges	$ 1,008	$ 345	$ 2,047	$ 345