Real Estate Investments (Details 5) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Real Estate Properties [Line Items]
Impairment of Real Estate	$ 3,020,000	$ 450,000	$ 0
Continuing Operations [Member]
Real Estate Properties [Line Items]
Impairment of Real Estate	3,020,000	0	0
Discontinued Operations [Member]
Real Estate Properties [Line Items]
Impairment of Real Estate	$ 0	$ 450,000	$ 0