Consolidated Statements of Cash Flows (Unaudited) (USD $)	6 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	$ 13,350,488	$ 13,626,055
Noncash Items Included in Net Income:
Depreciation	6,402,300	5,615,773
Amortization	1,310,852	1,156,839
Stock Compensation Expense	161,089	126,696
(Gain) on Securities Transactions, net	(5,913,472)	(4,997,715)
(Gain) Loss on Sale of Investment Property	(345,794)	8,220
Changes In:
Tenant, Deferred Rent and Other Receivables	(2,626,339)	(406,291)
Prepaid Expenses	(2,019,862)	(717,706)
Other Assets and Lease Costs	71,457	(174,042)
Accounts Payable, Accrued Expenses and Other Liabilities	1,298,984	1,682,424
NET CASH PROVIDED BY OPERATING ACTIVITIES	11,689,703	15,920,253
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of Real Estate and Intangible Assets, net of deposits	(42,363,385)	(50,810,600)
Capital and Land Site Improvements	(3,741,423)	(1,672,864)
Proceeds on Sale of Investment Property, net	1,413,891	2,553,507
Deposits on Acquisition of Real Estate	(1,800,000)	(1,000,000)
Proceeds from Sale of Securities Available for Sale	25,178,027	19,248,938
Purchase of Securities Available for Sale	(9,305,129)	(11,826,052)
Collections on Loans Receivable	11,221	68,069
NET CASH USED IN INVESTING ACTIVITIES	(30,606,798)	(43,439,002)
CASH FLOWS FROM FINANCING ACTIVITIES
Net Proceeds from (Repayments to) Loans Payable	12,000,000	(8,360,950)
Repurchase of Subordinated Convertible Debentures	(5,115,000)	(125,000)
Proceeds from Mortgage Notes Payable	35,000,000	49,233,000
Principal Payments on Mortgage Notes Payable	(21,591,284)	(22,007,314)
Financing Costs Paid on Debt	(519,521)	(1,302,805)
Repayment of Employee Loan	0	688,724
Net Distributions to Noncontrolling Interests	(40,266)	(40,267)
Proceeds from the Exercise of Stock Options	0	771,593
Proceeds from Registered Direct Placement of Common Stock, net of Offering Costs	0	16,189,700
Proceeds from Issuance of Common Stock in the DRIP, net of Reinvestments	8,160,817	10,074,648
Preferred Dividends Paid	(4,303,516)	(2,039,610)
Common Dividends Paid, net of Reinvestments	(9,194,538)	(10,383,521)
NET CASH PROVIDED BY FINANCING ACTIVITIES	14,396,692	32,698,198
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(4,520,403)	5,179,449
CASH AND CASH EQUIVALENTS - BEGINNING OF PERIOD	24,650,858	6,376,808
CASH AND CASH EQUIVALENTS - END OF PERIOD	$ 20,130,455	$ 11,556,257