Members' Capital (Details)	3 Months Ended			6 Months Ended
	Jun. 30, 2016 shares	Jun. 30, 2015 shares	Mar. 31, 2015 $ / item	Jun. 30, 2016 USD ($) $ / shares $ / item shares	Jun. 30, 2015 USD ($) $ / shares $ / item shares
Members' Capital (Details) [Line Items]
Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Declared				$ 469,665	$ 468,624
Weighted Average Limited Partnership Units Outstanding, Basic (in Shares) | shares	1,744,006	1,756,507		1,749,424	1,764,052
Sale Proceeds Distribution Made To Member Or Limited Partner				$ 121,212	$ 171,717
Partners' Capital Account, Redemptions				77,729	115,753
Limited Member [Member]
Members' Capital (Details) [Line Items]
Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Declared				$ 457,999	$ 458,000
Distributions Per Limited Partnership Unit Outstanding, Basic (in Dollars per share) | $ / shares				$ 0.26	$ 0.26
Weighted Average Limited Partnership Units Outstanding, Basic (in Shares) | shares				1,749,424	1,764,052
Distributions Per Unit Of Net Income (in Dollars per Item) | $ / item				0.05	0.26
Distributions Per Unit Of Return Of Capital (in Dollars per Item) | $ / item			0	0.21
Sale Proceeds Distribution Made To Member Or Limited Partner				$ 120,000	$ 170,000
Sale Proceeds Distribution Made to Limited Member Per Unit (in Dollars per Item) | $ / item				0.07
Partners' Capital Account, Units, Redeemed (in Shares) | shares				10,835.5	15,090.0
Partners' Capital Account, Redemptions				$ 75,397	$ 112,281
Managing Member [Member]
Members' Capital (Details) [Line Items]
Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Declared				11,666	10,624
Sale Proceeds Distribution Made To Member Or Limited Partner				1,212	$ 1,717
Sale Proceeds Distribution Made to Limited Member Per Unit (in Dollars per Item) | $ / item					0.10
Partners' Capital Account, Redemptions				$ 2,332	$ 3,472