XML 18 R7.htm IDEA: XBRL DOCUMENT v3.20.2
Consolidated Statements of Shareholders' Equity - USD ($)
shares in Thousands, $ in Thousands
Common Stock
Surplus
Retained Earnings
Adjustment
Retained Earnings
Other Comprehensive Income (Loss)
Treasury Stock
Adjustment
Total
Balance at Dec. 31, 2018 $ 96,104 $ 145,283   $ 2,064,134 $ (54,634) $ (311,305)   $ 1,939,582
Balance (in shares) at Dec. 31, 2018 96,104              
Increase (decrease) in shareholders' equity                
Net Income       153,370       153,370
Dividends:                
Payable/Cash       (68,669)       (68,669)
Purchase of treasury stock           (17,817)   (17,817)
Exercise of stock options $ 88 1,429           1,517
Exercise of stock options (in shares) 88              
Stock compensation expense recognized in earnings   744           744
Other comprehensive income, net of tax:                
Net change in unrealized gains and losses on available for sale securities, net of reclassification adjustments         59,197     59,197
Balance at Sep. 30, 2019 $ 96,192 147,456   2,148,835 4,563 (329,122)   2,067,924
Balance (in shares) at Sep. 30, 2019 96,192              
Balance at Jun. 30, 2019 $ 96,151 146,614   2,133,239 (4,252) (311,433)   2,060,319
Balance (in shares) at Jun. 30, 2019 96,151              
Increase (decrease) in shareholders' equity                
Net Income       51,444       51,444
Dividends:                
Payable/Cash       (35,848)       (35,848)
Purchase of treasury stock           (17,689)   (17,689)
Exercise of stock options $ 41 602           643
Exercise of stock options (in shares) 41              
Stock compensation expense recognized in earnings   240           240
Other comprehensive income, net of tax:                
Net change in unrealized gains and losses on available for sale securities, net of reclassification adjustments         8,815     8,815
Balance at Sep. 30, 2019 $ 96,192 147,456   2,148,835 4,563 (329,122)   2,067,924
Balance (in shares) at Sep. 30, 2019 96,192              
Balance at Dec. 31, 2019 $ 96,215 148,075   2,200,568 2,345 (329,150)   2,118,053
Balance (in shares) at Dec. 31, 2019 96,215              
Increase (decrease) in shareholders' equity                
Net Income       119,090       119,090
Dividends:                
Payable/Cash       (69,928)       (69,928)
Purchase of treasury stock           (48,878)   (48,878)
Exercise of stock options $ 19 388           407
Exercise of stock options (in shares) 19              
Stock compensation expense recognized in earnings   571           571
Other comprehensive income, net of tax:                
Net change in unrealized gains and losses on available for sale securities, net of reclassification adjustments         30,073     30,073
Balance at Sep. 30, 2020 $ 96,234 149,034 $ (8,333) 2,241,397 32,418 (378,028) $ (8,333) 2,141,055
Balance (in shares) at Sep. 30, 2020 96,234              
Balance at Jun. 30, 2020 $ 96,229 148,744   2,233,455 41,319 (377,887)   2,141,860
Balance (in shares) at Jun. 30, 2020 96,229              
Increase (decrease) in shareholders' equity                
Net Income       42,742       42,742
Dividends:                
Payable/Cash       (34,800)       (34,800)
Purchase of treasury stock           (141)   (141)
Exercise of stock options $ 5 114           119
Exercise of stock options (in shares) 5              
Stock compensation expense recognized in earnings   176           176
Other comprehensive income, net of tax:                
Net change in unrealized gains and losses on available for sale securities, net of reclassification adjustments         (8,901)     (8,901)
Balance at Sep. 30, 2020 $ 96,234 $ 149,034 $ (8,333) $ 2,241,397 $ 32,418 $ (378,028) $ (8,333) $ 2,141,055
Balance (in shares) at Sep. 30, 2020 96,234