Partners' Capital (Details) - USD ($)	3 Months Ended				6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Partners' Capital (Details) [Line Items]
Distribution Made to Limited Partner, Cash Distributions Declared	$ 104,546	$ 194,850	$ 198,178	$ 198,186	$ 299,396	$ 396,364
SaleProceedsDistributionMadeToMemberOrLimitedPartner						64,513
Partners' Capital Account, Redemptions			48,537
Limited Partner [Member]
Partners' Capital (Details) [Line Items]
Distribution Made to Limited Partner, Cash Distributions Declared	103,501	192,902	$ 196,196	196,204	$ 296,403	$ 392,400
Distribution Made to Limited Partner, Distributions Declared, Per Unit (in Dollars per share)					$ 15.77	$ 20.34
Weighted Average Limited Partnership Units Outstanding, Basic (in Shares)					18,791	19,296
DistributionsPerUnitOfNetIncome (in Dollars per share)					$ 5.81	$ 5.45
DistributionsPerUnitOfReturnOfCapital (in Dollars per share)					$ 9.96	$ 14.89
SaleProceedsDistributionMadeToMemberOrLimitedPartner						$ 63,868
SaleProceedsDistributionMadeToLimitedPartnerPerUnit (in Dollars per share)						$ 3.29
Partners' Capital Account, Units, Redeemed (in Shares)			64.66			64.66
Partners' Capital Account, Redemptions			$ 48,051			$ 48,051
General Partner [Member]
Partners' Capital (Details) [Line Items]
Distribution Made to Limited Partner, Cash Distributions Declared	$ 1,045	$ 1,948	1,982	$ 1,982	$ 2,993	3,964
SaleProceedsDistributionMadeToMemberOrLimitedPartner						645
Partners' Capital Account, Redemptions			$ 486			$ 486