Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 51,088	$ 5,055	$ 27,750
Non-cash items included in Net Income:
Depreciation	45,124	41,707	36,811
Amortization of Financing Costs	1,001	1,027	758
Stock Compensation Expense	3,447	1,327	1,939
Provision for Uncollectible Notes and Other Receivables	1,213	1,546	1,408
Gain on Sales of Marketable Securities, net	(2,342)	0	0
(Increase) Decrease in Fair Value of Marketable Securities	(25,052)	14,119	(14,915)
Loss on Sales of Investment Property and Equipment	170	216	111
Changes in Operating Assets and Liabilities:
Inventory of Manufactured Homes	1,791	6,517	(8,264)
Notes and Other Receivables, net of notes acquired with acquisitions	(9,957)	(9,965)	(7,909)
Prepaid Expenses and Other Assets	(1,557)	(2,058)	(3,817)
Accounts Payable	(116)	(182)	699
Accrued Liabilities and Deposits	(134)	6,720	3,164
Tenant Security Deposits	487	810	781
Net Cash Provided by Operating Activities	65,163	66,839	38,516
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of Manufactured Home Communities, net of mortgages assumed	(18,405)	(5,320)	(36,654)
Purchase of Investment Property and Equipment	(59,270)	(76,761)	(64,535)
Proceeds from Sales of Investment Property and Equipment	2,859	2,657	2,745
Additions to Land Development Costs	(27,428)	(23,241)	(22,231)
Purchase of Marketable Securities	(18)	(1,105)	(1,800)
Proceeds from Sales of Marketable Securities	16,835	(0)	125
Investment in Joint Venture	(8,937)	0	0
Net Cash Used in Investing Activities	(94,364)	(103,770)	(122,350)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from Mortgages, net of mortgages assumed	6,070	105,984	44,850
Net Proceeds (Payments) from Short Term Borrowings	(40,448)	3,309	(24,373)
Principal Payments of Mortgages and Loans	(25,618)	(7,115)	(21,624)
Financing Costs on Debt	(167)	(4,737)	(752)
Proceeds from Issuance of Preferred Stock, net of offering costs	(0)	(0)	96,688
Proceeds from At-The-Market Preferred Equity Program, net of offering costs	53,213	96,141	15,931
Redemption of 8.0% Series B Preferred Stock	0	(95,017)	0
Proceeds from At-The-Market Common Equity Program, net of offering costs	179,069	1,743	(0)
Proceeds from Issuance of Common Stock in the DRIP, net of dividend reinvestments	6,267	6,003	23,796
Repurchase of Preferred Stock, net	0	(12)	0
Repurchase of Common Stock, net	0	(1,830)	(237)
Proceeds from Exercise of Stock Options	8,601	659	2,603
Preferred Dividends Paid	(29,839)	(31,943)	(25,709)
Common Dividends Paid, net of dividend reinvestments	(31,514)	(26,657)	(21,120)
Net Cash Provided by Financing Activities	125,634	46,528	90,053
Net Increase in Cash, Cash Equivalents and Restricted Cash	96,433	9,597	6,219
Cash, Cash Equivalents and Restricted Cash at Beginning of Year	28,593	18,996	12,777
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT END OF YEAR	$ 125,026	$ 28,593	$ 18,996