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Preferred Stock (Details) - Series A Preferred Stock [Member] - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 23, 2014
Dec. 31, 2017
Preffered Stock (Textual)    
Liquidation preference per share $ 1,000  
Share price $ 10  
Description of preffered capital offering The Company completed its public offering of 1,500,000 depositary shares, each representing a 1/100th ownership interest in a 6.50 percent Noncumulative Convertible Preferred Share, Series A  
Proceeds from issuance of Series A preferred stock $ 14.0  
Conversion price   $ 10.2514
Preferred stock, Conversion basis description   On or after the fifth anniversary of the issue date of the Series A Preferred Shares (December 23, 2019), the Company may require all holders of Series A Preferred Shares (and, therefore, depositary shares) to convert their shares into common shares of the Company, provided the Company's common share price exceeds 120 percent of the current conversion price of $10.25, or $12.30.
Conversion of outstanding Series A Preferred Shares   1,463,220
Percentage of noncumulative convertible preferred share 6.50%  
Depository shares issued, Value $ 15.0  
Depository shares issued, Shares 1,500,000  
Conversion of stock, shares converted   1,000.00