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v3.20.1

Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands | Total | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Loss [Member] | Foothills Bancorp [Member] | Foothills Bancorp [Member] Common Stock [Member] | Foothills Bancorp [Member] Additional Paid-in Capital [Member] | Tennessee Bancshares [Member] | Tennessee Bancshares [Member] Common Stock [Member] | Tennessee Bancshares [Member] Additional Paid-in Capital [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
BALANCE (in shares) at Dec. 31, 2017 |  | 11,152,561 |  |  |  |  |  |  |  |  |
BALANCE at Dec. 31, 2017 | $ 205,853 | $ 11,153 | $ 174,009 | $ 21,889 | $ (1,198) |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Net income | 18,102 |  |  | 18,102 |  |  |  |  |  |  |
Other comprehensive gain (loss) | $ (1,567) |  |  |  | (1,567) |  |  |  |  |  |
Stock awards (in shares) | 0 | 1,320 |  |  |  |  |  |  |  |  |
Stock awards | $ 9 | $ 1 | 8 |  |  |  |  |  |  |  |
Exercise of stock options (in shares) |  | 132,783 |  |  |  |  |  |  |  |  |
Exercise of stock options | 1,519 | $ 132 | 1,387 |  |  |  |  |  |  |  |
Restricted stock (in shares) |  | 4,627 |  |  |  |  |  |  |  |  |
Restricted stock | 0 | $ 5 | (5) |  |  |  |  |  |  |  |
Common stock issued to shareholders (in shares) |  |  |  |  |  |  | 1,183,232 |  |  | 1,458,981 |
Common stock issued to shareholders |  |  |  |  |  | $ 23,967 | $ 1,183 | $ 22,784 | $ 34,732 | $ 1,459 | $ 33,273
Stock compensation expense | 396 |  | 396 |  |  |  |  |  |  |  |
BALANCE (in shares) at Dec. 31, 2018 |  | 13,933,504 |  |  |  |  |  |  |  |  |
BALANCE at Dec. 31, 2018 | 283,011 | $ 13,933 | 231,852 | 39,991 | (2,765) |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Net income | 26,548 |  |  | 26,548 |  |  |  |  |  |  |
Other comprehensive gain (loss) | $ 2,933 |  |  |  | 2,933 |  |  |  |  |  |
Stock awards (in shares) | 0 | 3,298 |  |  |  |  |  |  |  |  |
Stock awards | $ 64 | $ 3 | 61 |  |  |  |  |  |  |  |
Exercise of stock options (in shares) |  | 31,931 |  |  |  |  |  |  |  |  |
Exercise of stock options | 374 | $ 32 | 342 |  |  |  |  |  |  |  |
Restricted stock (in shares) |  | 39,500 |  |  |  |  |  |  |  |  |
Restricted stock | 0 | $ 40 | (40) |  |  |  |  |  |  |  |
Stock compensation expense | 517 |  | 517 |  |  |  |  |  |  |  |
Common stock dividends ($0.05 per share) | (700) |  |  | (700) |  |  |  |  |  |  |
BALANCE (in shares) at Dec. 31, 2019 |  | 14,008,233 |  |  |  |  |  |  |  |  |
BALANCE at Dec. 31, 2019 | $ 312,747 | $ 14,008 | $ 232,732 | $ 65,839 | $ 168 |  |  |  |  |  |

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