Selected Quarterly Financial Data (Unaudited) - Schedule of Selected Quarterly Financial Data (Details) - USD ($)	3 Months Ended								12 Months Ended
	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2014
Quarterly Financial Information Disclosure [Abstract]
Rental and Reimbursement Revenue	$ 25,575,911	$ 24,113,999	$ 22,966,838	$ 22,259,362	$ 20,567,089	$ 20,672,282	$ 18,858,596	$ 17,677,530
Lease Termination Income					0	0	0	238,625	$ 0	$ 238,625	$ 1,182,890
Total Expenses	13,942,992	11,835,546	12,537,914	11,167,093	10,875,080	11,351,102	10,305,673	9,582,908	49,483,545	42,114,763	35,228,877
Other Income (Expense)	(1,440,309)	(4,047,158)	(3,296,977)	(4,153,614)	(4,525,626)	(4,145,322)	(3,734,243)	(2,909,595)	(12,938,058)	(15,314,786)	(10,781,060)
Gain on Sale of Real Estate Investment					5,021,242	0	0	0	0	5,021,242	0
Net Income	10,192,610	8,231,295	7,131,947	6,938,655	10,187,625	5,175,858	4,818,680	5,423,652	32,494,507	25,605,815	19,845,294
Net Income Attributable to Common Shareholders	$ 4,685,265	$ 6,079,537	$ 4,980,189	$ 4,786,897	$ 8,035,867	$ 3,024,100	$ 2,666,922	$ 3,271,894	$ 20,531,888	$ 16,998,783	$ 11,238,262
Net Income Attributable to Common Shareholders per diluted share	$ 0.07	$ 0.09	$ 0.08	$ 0.08	$ 0.14	$ 0.05	$ 0.04	$ 0.06	$ 0.31	$ 0.29	$ 0.23