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Preferred Shares	12 Months Ended
Preferred Shares	Dec. 31, 2016
Preferred Shares [Abstract]
Preferred Stock [Text Block]	Preferred Shares The Company’s Articles of Incorporation authorize the issuance of up to 2,000,000 preferred shares, par value $.01 per share. On March 15, 2007, the Company issued 4,000,000 depositary shares, each representing 1/1000^th of a Series A Preferred Share, or 4,000 Series A Preferred Shares in the aggregate. On April 10, 2013, the Company redeemed 2,000 of its Series A Preferred Shares for $50.4 million in cash. The aggregate liquidation value of the remaining 2,000 Preferred Shares is $50 million. The Company paid $4.9 million of dividends in 2016, 2015 and 2014 on the Series A Preferred Shares. Please see Note 11 for additional information related to the restrictions on our ability to pay dividends on and repurchase our Series A Preferred Shares.