Mortgages Payable (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Mortgages Payable	$ 117,376,142	$ 62,854,057
April 4 2018 [Member]
Mortgages Payable	25,000,000	0
January 1 2023 [Member]
Mortgages Payable	23,640,000	0
May 14 2017 [Member]
Mortgages Payable	22,601,978	23,150,078
January 2020 [Member]
Mortgages Payable	10,320,440	11,413,113
July 2026 [Member]
Mortgages Payable	10,042,152	10,497,009
June 2014 [Member]
Mortgages Payable	9,509,011	0
March 2012 [Member]
Mortgages Payable	0	9,173,789
February 2017 [Member]
Mortgages Payable	4,340,850	5,216,465
June 11 2016 [Member]
Mortgages Payable	8,580,000	0
February 2020 [Member]
Mortgages Payable	$ 3,341,711	$ 3,403,603