Annual report pursuant to Section 13 and 15(d)

Shareholders Equity (Details)

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Shareholders Equity (Details) - USD ($)
12 Months Ended
Feb. 21, 2019
Dec. 12, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Aug. 09, 2018
Number of shares authorized to be repurchased (in shares) 850,000          
Period for share to be repurchased 24 months          
Number of shares repurchased (in shares)     0      
Common stock, par value (in dollars per share)     $ 1 $ 1    
Number of shares issued in transaction (shares)     0 44,378    
Value of shares issued       $ 983,000    
Dividends paid (in dollars per share)   $ 0.25 $ 0 $ 0.25 $ 0.13  
Total outlay for dividends   $ 2,300,000     $ 1,100,000  
At-The-Market Program | BB&T Capital Markets            
Common stock, par value (in dollars per share)           $ 1.00
Aggregate offering price, up to           $ 10,000,000
Number of shares issued in transaction (shares)       44,378    
Value of shares issued       $ 1,000,000    
Payments for Commissions       $ 20,470