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CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands | Total | Preferred Stock [Member] | Common Stock [Member] | Additional Paid In Capital [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Income [Member]
--- | --- | --- | --- | --- | --- | ---
Total stockholders' equity |  | $ 36,104 | $ 21,745 | $ 931,856 | $ 830,928 | $ (34,390)
Balance at beginning of period at Dec. 31, 2016 |  | 36,104 | 21,745 | 931,856 | 830,928 | (34,390)
Common stock issued as compensation |  |  | 43 | (43) |  |
Common stock issued for exercised warrants |  |  | 0 | 0 |  |
Common stock withheld for taxes |  |  | (39) | (2,136) |  |
Restricted stock grants |  |  | 109 | (109) |  |
Restricted stock forfeited |  |  | (240) | 240 |  |
Stock-based compensation |  |  |  | 5,423 |  |
Net income | $ 42,787 |  |  |  | 42,787 |
Dividends on preferred stock | (2,007) |  |  |  | (2,007) |
Amount reclassified from accumulated other comprehensive loss per ASU 2016-1 |  |  |  |  | 0 |
Other comprehensive income (loss), net of tax | 23,480 |  |  |  |  | 23,480
Balance at end of period at Sep. 30, 2017 | 1,853,751 | 36,104 | 21,618 | 935,231 | 871,708 | (10,910)
Total stockholders' equity | 1,853,751 | 36,104 | 21,745 | 931,856 | 830,928 | (34,390)
Total stockholders' equity | 1,853,751 | 36,104 | 21,618 | 935,231 | 871,708 | (10,910)
Total stockholders' equity | 1,869,097 | 36,104 | 21,628 | 936,772 | 895,208 | (20,615)
Balance at beginning of period at Dec. 31, 2017 | 1,869,097 | 36,104 | 21,628 | 936,772 | 895,208 | (20,615)
Common stock issued as compensation |  |  | 27 | (27) |  |
Common stock issued for exercised warrants |  |  | 73 | (73) |  |
Common stock withheld for taxes |  |  | (43) | (2,778) |  |
Restricted stock grants |  |  | 40 | (40) |  |
Restricted stock forfeited |  |  | (1) | 1 |  |
Stock-based compensation |  |  |  | 4,921 |  |
Net income | 100,503 |  |  |  | 100,503 |
Dividends on preferred stock | (2,007) |  |  |  | (2,007) |
Amount reclassified from accumulated other comprehensive loss per ASU 2016-1 |  |  |  |  | (6) |
Other comprehensive income (loss), net of tax | (42,272) |  |  |  |  | (42,272)
Balance at end of period at Sep. 30, 2018 | 1,927,415 | 36,104 | 21,724 | 938,776 | 993,698 | (62,887)
Total stockholders' equity | 1,927,415 | 36,104 | 21,628 | 936,772 | 895,208 | (20,615)
Total stockholders' equity | $ 1,927,415 | $ 36,104 | $ 21,724 | $ 938,776 | $ 993,698 | $ (62,887)

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