Unit Redemptions and Stock Transactions (Tables)

9 Months Ended

Sep. 30, 2012

Unit Redemptions and Stock Transactions [Abstract]

Unit redemption and share repurchase activity

Period	Total Number of Units Redeemed or Shares Repurchased		Average Price Paid per Unit or Share		Approximate Dollar Value of Units and Shares That May Yet Be Redeemed/ Purchased Under the Plan
Redemptions
January 1, 2012—March 31, 2012		3,833,973	$	6.60
April 1, 2012—June 30, 2012		2,922,241		6.60
July 1, 2012—July 31, 2012		1,625,968		5.69
August 1, 2012—August 31, 2012		1,214,516		4.76
September 1, 2012—September 30, 2012		2,004,427		4.77
Total Redemptions		11,601,125	$	5.96
Repurchases
January 1, 2012—March 31, 2012		44,013	$	7.66
April 1, 2012—June 30, 2012		—		—
July 1, 2012—July 31, 2012		—		—
August 1, 2012—August 31, 2012		—		—
September 1, 2012—September 30, 2012		—		—
Total Repurchases		44,013	$	7.66
Total Redemptions and Repurchases		11,645,138	$	5.97	$	85,734,900