Partners' Capital (Details) - USD ($)	3 Months Ended				6 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2019	Jun. 30, 2018
Partners' Capital (Details) [Line Items]
Distribution Made to Limited Partner, Cash Distributions Declared	$ 198,178	$ 198,186	$ 198,181	$ 198,180	$ 396,364	$ 396,361
Sale Proceeds Distribution Made To Member Or Limited Partner					64,513	197,980
Partners' Capital Account, Redemptions	48,537		188,845
Limited Partner [Member]
Partners' Capital (Details) [Line Items]
Distribution Made to Limited Partner, Cash Distributions Declared	$ 196,196	196,204	$ 196,199	196,198	$ 392,400	$ 392,397
Distribution Made to Limited Partner, Distributions Declared, Per Unit (in Dollars per share)					$ 20.34	$ 20.11
Weighted Average Limited Partnership Units Outstanding, Basic (in Shares)					19,296	19,509
DistributionsPerUnitOfNetIncome (in Dollars per share)					$ 5.45	$ 0.00
DistributionsPerUnitOfReturnOfCapital (in Dollars per share)					$ 14.89	$ 20.11
Sale Proceeds Distribution Made To Member Or Limited Partner					$ 63,868	$ 196,000
SaleProceedsDistributionMadetoLimitedPartnerPerUnit (in Dollars per share)					$ 3.29	$ 10.10
Partners' Capital Account, Units, Redeemed (in Shares)	64.66		213.34		64.66	213.34
Partners' Capital Account, Redemptions	$ 48,051		$ 186,957		$ 48,051	$ 186,957
General Partner [Member]
Partners' Capital (Details) [Line Items]
Distribution Made to Limited Partner, Cash Distributions Declared	1,982	$ 1,982	1,982	$ 1,982	3,964	3,964
Sale Proceeds Distribution Made To Member Or Limited Partner					645	1,980
Partners' Capital Account, Redemptions	$ 486		$ 1,888		$ 486	$ 1,888