Transactions with General Partner and Its Affiliates - Security Ownership of Partnership Principal Executive Officer and Principal Financial Officer (Detail) (Limited Partnership Interest [Member])	6 Months Ended
	Jun. 30, 2013
Limited Partnership Interest [Member]
Limited Partners' Capital Account [Line Items]
Name of Beneficial Owner(1)	Bruce A. Provo
Amount and Nature of Beneficial Ownership	200
Percentage of Interests Outstanding(4)	0.43%