Note Receivable - Additional Information (Detail) (USD $)	0 Months Ended	3 Months Ended		0 Months Ended		3 Months Ended
	Nov. 12, 2009	Mar. 31, 2015 Note	Mar. 31, 2014	Nov. 01, 2014	Oct. 19, 2012	Dec. 31, 2009	Dec. 31, 2014	Dec. 31, 2012	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		5,305					2,530	925	700	1,050
Partnership amended the Buyers note amounted, principal				200,000
Partnership amended the Buyers note amounted				232,777
Period of amortization		5 years
Amount of full balloon payment due		133,396
Original balloon payment due date		Nov. 01, 2012
Amortized principal payments receivable		101,185		120,000			115,339
Buyer's Note amortization schedule, monthly payments		5,386
Number of note payments		3
Note receivable, principal payment received		14,154	8,839
Cash [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Sale price of property	150,000
Partnership [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amended balloon payment due date		Nov. 01, 2014
Note receivable, principal payment received		14,154
Interest payments		2,005
Promissory note ("Buyers Note") [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Sale price of property	300,000
Promissory note term						3 years
Buyer's Note, interest rate		7.25%									7.25%
Buyer's Note, principal amortized period						10 years
Principal payments				$ 13,396	$ 32,777
Promissory note term extension				2 years
Loan maturity period				Oct. 31, 2016