Share Redemption Program (Details Textual) (USD $)
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1 Months Ended | 3 Months Ended | |||
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Mar. 31, 2014
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Feb. 28, 2014
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Jan. 31, 2014
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Mar. 31, 2014
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Dec. 31, 2013
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Maximum Percentage Of Shares Redeemable | 5.00% | ||||
Net Asset Value Per Share | $ 14.53 | $ 14.53 | $ 14.66 | ||
Treasury Stock Acquired, Average Cost Per Share (in dollars per share) | $ 14.76 | $ 14.76 | $ 14.76 | $ 14.76 | |
Minimum [Member]
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Treasury Stock Acquired, Average Cost Per Share (in dollars per share) | $ 14.76 | ||||
Maximum [Member]
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Treasury Stock Acquired, Average Cost Per Share (in dollars per share) | $ 20 |