Related Party Transactions (Details)	9 Months Ended
	Sep. 30, 2013
Related Party Transactions [Abstract]
Percentage of average daily funds held (in hundredths)	100.00%
Number of monthly average weeks for interest income rate calculation (in weeks)	4W
Percentage to be deducted from bill discount rate (in hundredths)	0.15%
Interest income rate, minimum (in hundredths)	0.00%