Capital Accounts (Details)	3 Months Ended	12 Months Ended		15 Months Ended
	Jun. 30, 2017	Dec. 31, 2017 USD ($) Class	Dec. 31, 2016 USD ($)	Mar. 31, 2017
Capital Accounts [Abstract]
Number of classes of units offered by Fund | Class		2
Fees paid to the manager for redemptions		$ 0	$ 500
Minimum [Member]
Capital Accounts [Abstract]
Initial subscription amount		10,000
Cost for additional units		$ 5,000
Notice period for units subscription		3 days
Notice period for units redemption		3 days
Amount for partial redemption request		$ 10,000
Holding post partial redemption		$ 10,000
Maximum [Member]
Capital Accounts [Abstract]
Period of remittance for redemption proceeds		15 days
Class 2 Units [Member]
Capital Accounts [Abstract]
Redemption fee holding period	6 months			6 months
Class 2 Units [Member] | Minimum [Member]
Capital Accounts [Abstract]
Redemption fee	0.75%			2.00%
Redemption fee holding period	6 months			6 months
Class 2 Units [Member] | Maximum [Member]
Capital Accounts [Abstract]
Redemption fee	0.40%			1.00%
Redemption fee holding period	12 months			12 months