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Subsequent Events	12 Months Ended
Subsequent Events	Dec. 31, 2019
Subsequent Events [Abstract]
Subsequent Events	14. Subsequent Events: Subsequent to December 31, 2019, the World Health Organization declared the novel coronavirus outbreak a public health emergency. The Fund’s operations is located in California, which has restricted gatherings of people due to the coronavirus outbreak. At present, the Fund’s operations have not been adversely affected and continues to function effectively. Due to the dynamic nature of these unprecedented circumstances and possible business disruption, the Fund will continue to monitor the situation closely, but given the uncertainty about the situation, an estimate of the future impact, if any, cannot be made at this time.