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Preferred Stock (Details) - USD ($)
 1 Months Ended 12 Months Ended
Dec. 23, 2014
Dec. 23, 2014
Dec. 31, 2019
Dec. 26, 2018
Preferred Stock (Details) [Line Items]        
Preferred capital offering, description   On December 23, 2014, 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 Perpetual Preferred Share, Series A (“Series A Preferred Shares”), of the Company with a liquidation preference of $1,000 per share (equivalent to $10.00 per depositary shares).    
Liquidation preference per share $ 1,000 $ 1,000    
Share price $ 10.00 $ 10.00    
Depository shares issued, Shares 1,500,000      
Depository shares issued, Value $ 15,000,000      
Proceeds from issuance of Series A preferred stock $ 14,000,000      
Conversion of Stock, Shares Converted     990  
Conversion price     $ 0.9908093  
Conversion price       $ 10.09276
Depository shares     1,412,425  
Conversion of shares     $ 1,399,443  
Conversion of shares, amount     $ 18.49  
Series A Preferred Stock [Member]        
Preferred Stock (Details) [Line Items]        
Depository shares     1,412