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Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands | Total | Series A 3% Preferred Stock [Member] | Series B-1 8.48% Preferred Stock [Member] | Preferred Equity [Member] | Preferred Equity [Member] Series A 3% Preferred Stock [Member] | Preferred Equity [Member] Series B-1 8.48% Preferred Stock [Member] | Common Stock [Member] | Additional Paid-in Capital [Member] | Additional Paid-in Capital [Member] Series A 3% Preferred Stock [Member] | Retained Earnings [Member] | Retained Earnings [Member] Series A 3% Preferred Stock [Member] | Retained Earnings [Member] Series B-1 8.48% Preferred Stock [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Treasury Stock [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2016 | $ 320,054 |  |  | $ 17,340 |  |  | $ 147 | $ 81,476 |  | $ 237,966 |  |  | $ (13,951) | $ (2,924)
Comprehensive income: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income | 33,526 |  |  |  |  |  |  |  |  | 33,526 |  |  |  |
Other comprehensive income (loss), net of tax | 2,035 |  |  |  |  |  |  |  |  |  |  |  | 2,035 |
Common stock issued | 38,303 |  |  |  |  |  | 14 | 38,289 |  |  |  |  |  |
Purchase of common stock for treasury | (148) |  |  |  |  |  |  |  |  |  |  |  |  | (148)
Repurchase of preferred stock |  | $ (3) | $ (6) |  | $ (5) | $ (6) |  |  | $ 2 |  |  |  |  |
Share-based compensation plans: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation | 1,174 |  |  |  |  |  |  | 1,174 |  |  |  |  |  |
Stock options exercised | 413 |  |  |  |  |  |  | 5 |  |  |  |  |  | 408
Restricted stock awards issued, net |  |  |  |  |  |  |  | 21 |  |  |  |  |  | (21)
Stock awards | 243 |  |  |  |  |  |  | 91 |  |  |  |  |  | 152
Cash dividends declared: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock dividends per share |  | (4) | (1,458) |  |  |  |  |  |  |  | $ (4) | $ (1,458) |  |
Common stock dividends per share | (12,952) |  |  |  |  |  |  |  |  | (12,952) |  |  |  |
Balance at Dec. 31, 2017 | 381,177 |  |  | 17,329 |  |  | 161 | 121,058 |  | 257,078 |  |  | (11,916) | (2,533)
Comprehensive income: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income | 39,526 |  |  |  |  |  |  |  |  | 39,526 |  |  |  |
Other comprehensive income (loss), net of tax | (9,365) |  |  |  |  |  |  |  |  |  |  |  | (9,365) |
Purchase of common stock for treasury | (113) |  |  |  |  |  |  |  |  |  |  |  |  | (113)
Repurchase of preferred stock |  | (1) |  |  | $ (1) |  |  |  |  |  |  |  |  |
Share-based compensation plans: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation | 1,301 |  |  |  |  |  |  | 1,301 |  |  |  |  |  |
Stock options exercised | 320 |  |  |  |  |  |  | (19) |  |  |  |  |  | 339
Restricted stock awards issued, net |  |  |  |  |  |  |  | 303 |  |  |  |  |  | (303)
Stock awards | 185 |  |  |  |  |  |  | 61 |  |  |  |  |  | 124
Cash dividends declared: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock dividends per share |  | (4) | (1,457) |  |  |  |  |  |  |  | (4) | (1,457) |  |
Common stock dividends per share | (15,276) |  |  |  |  |  |  |  |  | (15,276) |  |  |  |
Balance at Dec. 31, 2018 | 396,293 |  |  | 17,328 |  |  | 161 | 122,704 |  | 279,867 |  |  | (21,281) | (2,486)
Cumulative-effect adjustment at Dec. 31, 2018 | (710) |  |  |  |  |  |  |  |  | (710) |  |  |  |
Adjusted balance at Dec. 31, 2018 | 395,583 |  |  | 17,328 |  |  | 161 | 122,704 |  | 279,157 |  |  | (21,281) | (2,486)
Comprehensive income: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income | 48,862 |  |  |  |  |  |  |  |  | 48,862 |  |  |  |
Other comprehensive income (loss), net of tax | 9,551 |  |  |  |  |  |  |  |  |  |  |  | 9,551 |
Reclassification of income tax effects |  |  |  |  |  |  |  |  |  | 2,783 |  |  | (2,783) |
Common stock issued | 1,151 |  |  |  |  |  |  | 1,151 |  |  |  |  |  |
Purchase of common stock for treasury | (293) |  |  |  |  |  |  |  |  |  |  |  |  | (293)
Share-based compensation plans: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation | 1,406 |  |  |  |  |  |  | 1,406 |  |  |  |  |  |
Restricted stock units released |  |  |  |  |  |  |  | (554) |  |  |  |  |  | 554
Restricted stock awards issued, net |  |  |  |  |  |  |  | (165) |  |  |  |  |  | 165
Stock awards | 125 |  |  |  |  |  |  | 40 |  |  |  |  |  | 85
Cash dividends declared: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock dividends per share |  | $ (4) | $ (1,457) |  |  |  |  |  |  |  | $ (4) | $ (1,457) |  |
Common stock dividends per share | (15,977) |  |  |  |  |  |  |  |  | (15,977) |  |  |  |
Balance at Dec. 31, 2019 | $ 438,947 |  |  | $ 17,328 |  |  | $ 161 | $ 124,582 |  | $ 313,364 |  |  | $ (14,513) | $ (1,975)

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