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Common Shares
12 Months Ended
Dec. 31, 2014
Equity [Abstract]  
Common Shares
18. Common Shares

The Trust’s Common Shares have a par value of $1 per share with an unlimited number of shares authorized. There were 36,425,084 and 36,401,438 Common Shares issued and outstanding at December 31, 2014 and 2013, respectively.