Selected Quarterly Financial Data (Unaudited) (Details) (USD $)	3 Months Ended																12 Months Ended
	Dec. 31, 2013		Sep. 30, 2013		Jun. 30, 2013		Mar. 31, 2013		Dec. 30, 2012		Sep. 30, 2012		Jun. 30, 2012		Mar. 31, 2012		Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Summary of Selected Quarterly Financial Information
Total Income	$ 16,426,921		$ 16,253,966		$ 16,097,925		$ 13,426,295		$ 12,606,121		$ 12,186,668		$ 11,144,029		$ 10,890,946		$ 62,205,107	$ 46,827,764	$ 39,313,354
Total Expenses	16,636,587		14,935,457		14,196,653		12,240,957		11,761,448		11,617,310		10,692,049		10,143,701		58,009,654	44,214,508	36,797,740
Other Income (Expense) (1)	(524,561)	[1]	(600,121)	[1]	(229,785)	[1]	2,977,034	[1]	475,169	[1]	846,764	[1]	1,591,029	[1]	989,320	[1]	1,622,567	3,902,282	1,151,776
Net Income	(733,004)		800,877		1,619,439		4,149,511		1,299,570		1,405,754		2,019,036		1,749,697		5,836,823	6,474,057	3,696,263
Net Income (Loss) Attributable to Common Shareholders	$ (2,622,151)		$ (1,088,270)		$ (269,708)		$ 2,260,364		$ (559,498)		$ 161,138		$ 1,088,321		$ 1,059,378		$ (1,719,765)	$ 1,749,339	$ 2,039,497
Net Income (Loss) Attributable to Common Shareholders per Share -
Basic	$ (0.14)		$ (0.06)		$ (0.02)		$ 0.13		$ (0.03)		$ 0.00		$ 0.07		$ 0.07		$ (0.09)	$ 0.11	$ 0.14
Diluted	$ (0.14)		$ (0.06)		$ (0.02)		$ 0.13		$ (0.03)		$ 0.00		$ 0.07		$ 0.07		$ (0.09)	$ 0.11	$ 0.14

[1] (1) Fluctuations are primarily due to the $499,471 bonus payment received in the second quarter of 2012 for rights to drill for oil and gas in one of our communities and to Gain on Sale of Securities Transactions, net.