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CONSOLIDATED STATEMENTS OF COMMON STOCKHOLDERS' EQUITY - USD ($)
shares in Thousands, $ in Thousands
Common Stock [Member]
Retained Earnings [Member]
Total
Balance at Dec. 31, 2018 $ 157,354 $ 91,433 $ 248,787
Balance, shares at Dec. 31, 2018 16,403    
Net Income   33,888 33,888
Dividend Reinvestment & Common Stock Purchase Plan $ 12,738   12,738
Dividend Reinvestment & Common Stock Purchase Plan, shares 226    
Restricted Stock Award, Net - Employees $ 907   907
Restricted Stock Award, Net - Employees, shares 18    
Stock Award - Board Of Directors $ 196   196
Stock Award - Board Of Directors, shares 4    
Shares Forefeited $ (466)   (466)
Shares Forfeited, shares (18)    
Conversion of Convertible Preferred Stock $ 350   350
Conversion of Convertible Preferred Stock, shares 41    
Issuance of Common Stock $ 44,046   44,046
Issuance of Common Stock, shares 760    
Cash Dividends on Common Stock   (16,165) (16,165)
Cash Dividends on Preferred Stock   (132) (132)
Common Stock Expenses   (357) (357)
Balance at Dec. 31, 2019 $ 215,125 108,667 323,792
Balance, shares at Dec. 31, 2019 17,434    
Net Income   38,425 38,425
Dividend Reinvestment & Common Stock Purchase Plan $ 1,230   1,230
Dividend Reinvestment & Common Stock Purchase Plan, shares 19    
Restricted Stock Award, Net - Employees $ 851   851
Restricted Stock Award, Net - Employees, shares 16    
Stock Award - Board Of Directors $ 245   245
Stock Award - Board Of Directors, shares 4    
Cash Dividends on Common Stock   (18,178) (18,178)
Cash Dividends on Preferred Stock   (120) (120)
Common Stock Expenses   (37) (37)
Balance at Dec. 31, 2020 $ 217,451 128,757 346,208
Balance, shares at Dec. 31, 2020 17,473    
Net Income   36,543 36,543
Dividend Reinvestment & Common Stock Purchase Plan $ 3,837   3,837
Dividend Reinvestment & Common Stock Purchase Plan, shares 40    
Restricted Stock Award, Net - Employees $ 350   350
Restricted Stock Award, Net - Employees, shares 6    
Stock Award - Board Of Directors $ 281   281
Stock Award - Board Of Directors, shares 3    
Cash Dividends on Common Stock   (19,373) (19,373)
Cash Dividends on Preferred Stock   (120) (120)
Balance at Dec. 31, 2021 $ 221,919 $ 145,807 $ 367,726
Balance, shares at Dec. 31, 2021 17,522