Note Receivable - Additional Information (Detail) (USD $)	0 Months Ended		12 Months Ended			0 Months Ended	3 Months Ended	1 Months Ended
	Nov. 01, 2014	Nov. 12, 2009	Dec. 31, 2014 Note	Dec. 31, 2013	Dec. 31, 2012	Oct. 19, 2014	Dec. 31, 2009	Dec. 31, 2014	Dec. 31, 2011	Jan. 31, 2010	Dec. 01, 2009
Accounts, Notes, Loans and Financing Receivable [Line Items]
Sale price of property		$ 450,000
Escrow property taxes			2,530	25,697	925			2,530	700	1,050
Partnership amended the Buyers note amounted, principal	200,000
Partnership amended the Buyers note amounted	232,777
Period of amortization	2 years		5 years
Amount of full balloon payment due			133,396					133,396
Original balloon payment due date			Nov. 01, 2012
Amortized principal payments receivable	120,000		115,339	163,491				115,339
Buyer's Note amortization schedule, monthly payments			5,386					5,386
Number of note payments			12
Note receivable, principal payment received			48,152	33,801	55,955
Cash [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Sale price of property		150,000
Promissory note ("Buyers Note") [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Promissory note term							3 years
Buyer's Note, interest rate			7.25%					7.25%			7.25%
Buyer's Note, principal amortized period							10 years
Principal payments	13,396					32,777
Promissory note term extension	2 years
Buyer's Note amortization schedule, monthly payments	5,386
Loan maturity period	Oct. 31, 2016
Promissory note ("Buyers Note") [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Sale price of property		300,000
Partnership [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Escrow property taxes			2,530					2,530
Amended balloon payment due date			Nov. 01, 2014
Payment of property taxes								9,960
Note receivable, principal payment received			48,152
Interest payments			$ 10,599