Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 12,668,034	$ 11,534,559	$ 2,144,205
Non-cash items included in Net Income:
Depreciation	27,557,746	23,214,100	18,877,511
Amortization of Financing Costs	660,910	733,485	829,017
Stock Compensation Expense	1,314,491	1,064,678	855,768
Provision for Uncollectible Notes and Other Receivables	1,273,535	(909,397)	(1,123,926)
Gain on Sales of Securities, net	(1,747,528)	(2,285,301)	(204,230)
Loss on Sales of Investment Property & Equipment	80,930	2,163	80,268
Changes in Operating Assets and Liabilities:
Inventory of Manufactured Homes	(144,791)	(3,113,164)	(2,004,695)
Notes and Other Receivables, net of Notes Acquired with Acquisitions	215,684	(1,204,014)	840,066
Prepaid Expenses and Other Assets	1,040,854	(435,124)	(706,779)
Accounts Payable	(1,298)	145,747	991,997
Accrued Liabilities and Deposits	161,727	(1,878,719)	1,976,958
Tenant Security Deposits	807,938	665,605	904,200
Net Cash Provided by Operating Activities	41,341,162	29,353,412	25,708,212
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of Manufactured Home Communities, net of mortgages assumed	(61,669,247)	(4,081,798)	(78,926,525)
Purchase of Investment Property and Equipment	(62,009,984)	(58,184,812)	(51,218,338)
Proceeds from Sales of Investment Property and Equipment	2,299,670	1,114,503	777,394
Additions to Land Development Costs	(3,881,035)	(3,728,869)	(921,141)
Purchase of Securities Available for Sale	(45,075,311)	(27,518,151)	(23,019,035)
Proceeds from Sales of Securities Available for Sale	17,416,146	14,831,737	4,633,019
Net Cash Used in Investing Activities	(152,919,761)	(77,567,390)	(148,674,626)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from Mortgages, net of mortgages assumed	44,420,000	31,804,000	139,432,000
Net Proceeds (Payments) from Short Term Borrowings	26,401,635	406,935	(19,452,727)
Principal Payments of Mortgages and Loans	(34,970,645)	(25,072,315)	(37,756,234)
Financing Costs on Debt	(641,471)	(668,338)	(2,311,829)
Proceeds from Issuance of Preferred Stock, net of offering costs	138,975,847	49,120,853	43,042,124
Redemption of 8.25% Series A Preferred Stock	(91,595,000)	0	0
Proceeds from Registered Direct Placement of Common Stock, net of offering costs	22,518,238	0	0
Proceeds from Issuance of Common Stock in the DRIP, net of Dividend Reinvestments	57,506,016	20,012,393	22,593,531
Proceeds from Exercise of Stock Options	5,435,634	2,485,060	170,075
Preferred Dividends Paid	(16,665,934)	(14,563,645)	(7,556,588)
Common Dividends Paid, net of Dividend Reinvestments	(20,780,223)	(17,630,270)	(16,740,833)
Net Cash Provided by Financing Activities	130,604,097	45,894,673	121,419,519
Net Increase (Decrease) in Cash and Cash Equivalents	19,025,498	(2,319,305)	(1,546,895)
Cash and Cash Equivalents at Beginning of Year	4,216,592	6,535,897	8,082,792
CASH AND CASH EQUIVALENTS AT END OF YEAR	$ 23,242,090	$ 4,216,592	$ 6,535,897