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Consolidated Statements of Changes in Stockholders' Equity - USD ($)
$ in Thousands
Total
Preferred Stock [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Legal Surplus [Member]
Retained Earnings [Member]
Retained Earnings [Member]
Cumulative Effect, Period Of Adoption, Adjustment [Member]
Retained Earnings [Member]
Cumulative Effect, Period Of Adoption, Adjusted Balance [Member]
Treasury Stock [Member]
Accumulated Other Comprehensive Income (Loss), Net Of Tax [Member]
Beginning Balance at Dec. 31, 2019   $ 92,000 $ 59,885 $ 621,515 $ 95,779 $ 279,646   $ 254,152 $ (102,339) $ (1,008)
Beginning Balance (Topic 326 [Member]) at Dec. 31, 2019             $ (25,494)      
Stock-based compensation expense       501            
Lapsed restricted stock units and options       (810)         1,276  
Net income $ 1,801         1,801        
Cash dividends declared on common stock [1]           (3,602)        
Cash dividends declared on preferred stock           (1,628)        
Transfer from retained earnings         166          
Transfer to legal surplus           (166)        
Stock repurchased (2,226)               (2,226)  
Other comprehensive income (loss), net of tax 7,298                 7,298
Ending Balance at Mar. 31, 2020 1,022,594 92,000 59,885 621,206 95,945 250,557     (103,289) 6,290
Beginning Balance at Dec. 31, 2020 1,085,975 92,000 59,885 622,652 103,269 300,096   $ 300,096 (102,949) 11,022
Beginning Balance (Topic 326 [Member]) at Dec. 31, 2020             $ 0      
Stock-based compensation expense       2,209            
Lapsed restricted stock units and options       (1,926)         1,955  
Net income 30,373         30,373        
Cash dividends declared on common stock [1]           (4,116)        
Cash dividends declared on preferred stock           (1,255)        
Transfer from retained earnings         2,896          
Transfer to legal surplus           (2,896)        
Stock repurchased 0               0  
Other comprehensive income (loss), net of tax (4,792)                 (4,792)
Ending Balance at Mar. 31, 2021 $ 1,108,423 $ 92,000 $ 59,885 $ 622,935 $ 106,165 $ 322,202     $ (100,994) $ 6,230
[1] [1] Dividends declared per common share during the quarter ended March 31, 2021 - $0.08 (March 31, 2020 - $0.07).