Consolidated Statements of Financial Condition (Parentheticals) - USD ($)	Mar. 31, 2016	Dec. 31, 2015
Cost of short-term investments (in dollars)	$ 174,930,197	$ 149,963,671
General Units:
Paid in capital units issued	50
Limited Units:
Paid in capital redeemable shares issued	11,350,000	11,350,000
Paid in capital redeemable shares outstanding	12,100,000	12,100,000
Greenhaven Continuous Commodity Index Master Fund
Cost of short-term investments (in dollars)	$ 174,930,197	$ 149,963,671
General Units:
Paid in capital units issued	50
Limited Units:
Paid in capital redeemable shares issued	11,350,000	11,350,000
Paid in capital redeemable shares outstanding	12,100,000	12,100,000