Lease - Additional Information (Detail) (USD $)	6 Months Ended		9 Months Ended
	Jun. 30, 2013 Renewals OptionPlan	Jun. 30, 2012	Sep. 30, 2012	Dec. 12, 2012
Leases [Abstract]
Lease initiation date	May 01, 1954
Number of granting Lessee options to extend the Lease	4
Additional renewal period	25 years
Lease expiring date	2103
First renewal period of Lease	From October 1, 2003 through September 30, 2028
Second renewal period of Lease	From October 1, 2028 through September 30, 2053
Granting of options to the Lessee to extend the lease	For two additional 25-year renewal terms expiring in 2103
Number of additional renewals	2
Effective date of third modification lease	May 01, 1975
Amount of partial payment for basic supervisory services included in basic annual rent	$ 28,000
Effective date of six modification lease	Nov. 17, 2000
Amount included in monthly basic rent expense	2,333.33
Monthly advance of primary overage Rent	62,667
Maximum amount of advance annually against primary overage rent	752,000		752,000
Percentage of monthly distribution	20.00%
Participants original cash investment	3,600,000
Monthly Supervisory services expense additional payment	1,667
Percentage of excess amount of the net operating profit of the Lessee, as defined			50.00%
Rent income, earned from a related party	2,300,083	2,108,472
Net operating profit of lessee after deduction of basic rent			7,869,126
Primary Overage Rent paid by lessee			752,000
Secondary Overage Rent paid by lessee			3,558,414
Percentage of excess of the net operating profit, as defined			50.00%
Amount of interest earned on funds borrowed for the improvement program			148
Amount of additional payment to supervisor deducted before calculating amount distributed by registrant to the participants			1,500,000
Additional Payment to Supervisor			205,556
Annual New York State filing fee			3,000
Distributed by Registrant to the Participant				1,850,006
Interest subject to buyout	$ 100
Buyout notice period	10 days