Subsequent Events (Details) (Subsequent Event [Member], USD $) In Millions, unless otherwise specified	1 Months Ended
May 15, 2013
Subsequent Event [Member]
Subsequent Event [Line Items]
Fund subscriptions	$ 0.4
Fund redemptions	$ 1.8

The amount of subscriptions to the fund during the period from the beginning of the period to the latest practicable date.

No definition available.