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Dividend Reinvestment and Cash Purchase Plan	12 Months Ended
Dec. 31, 2012
Dividend Reinvestment And Cash Purchase Plan [Abstract]
Dividend Reinvestment and Cash Purchase Plan	Note 12. Dividend Reinvestment and Cash Purchase Plan: We have a dividend reinvestment and cash purchase plan (the “Plan”). Participants in the Plan have the option to reinvest all or a portion of dividends received. The purchase price of the Common Shares is 100% of the average of the closing price of the Common Shares as published for the five trading days immediately prior to the dividend record date or prior to the optional cash payment purchase date, whichever is applicable. Our transfer agent, on our behalf, uses the open market to purchase Common Shares with proceeds from the dividend reinvestment portion of the Plan.

Dividend Reinvestment and Cash Purchase Plan

12 Months Ended

Dec. 31, 2012

Dividend Reinvestment And Cash Purchase Plan [Abstract]

Dividend Reinvestment and Cash Purchase Plan

Note 12. Dividend Reinvestment and Cash Purchase Plan:

We have a dividend reinvestment and cash purchase plan (the “Plan”). Participants in the Plan have the option to reinvest all or a portion of dividends received. The purchase price of the Common Shares is 100% of the average of the closing price of the Common Shares as published for the five trading days immediately prior to the dividend record date or prior to the optional cash payment purchase date, whichever is applicable. Our transfer agent, on our behalf, uses the open market to purchase Common Shares with proceeds from the dividend reinvestment portion of the Plan.