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Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands | Total | Series A 3% Preferred Stock [Member] | Series B-1 8.48% Preferred Stock [Member] | Preferred Equity [Member] | Common Stock [Member] | Additional Paid-in Capital [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 Loss [Member] | Treasury Stock [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2017 | $ 381,177 |  |  | $ 17,329 | $ 161 | $ 121,058 | $ 257,078 |  |  | $ (11,916) | $ (2,533)
Comprehensive income: |  |  |  |  |  |  |  |  |  |  |
Net income | 9,288 |  |  |  |  |  | 9,288 |  |  |  |
Other comprehensive income (loss), net of tax | (6,247) |  |  |  |  |  |  |  |  | (6,247) |
Purchases of common stock for treasury | (113) |  |  |  |  |  |  |  |  |  | (113)
Share-based compensation plans: |  |  |  |  |  |  |  |  |  |  |
Share-based compensation | 302 |  |  |  |  | 302 |  |  |  |  |
Stock options exercised | 76 |  |  |  |  | (1) |  |  |  |  | 77
Restricted stock awards forfeited |  |  |  |  |  | 446 |  |  |  |  | (446)
Cash dividends declared: |  |  |  |  |  |  |  |  |  |  |
Preferred stock dividends per share |  | $ (1) | $ (364) |  |  |  |  | $ (1) | $ (364) |  |
Common stock dividends per share | (3,816) |  |  |  |  |  | (3,816) |  |  |  |
Balance at Mar. 31, 2018 | 380,302 |  |  | 17,329 | 161 | 121,805 | 262,185 |  |  | (18,163) | (3,015)
Balance at Dec. 31, 2017 | 381,177 |  |  | 17,329 | 161 | 121,058 | 257,078 |  |  | (11,916) | (2,533)
Comprehensive income: |  |  |  |  |  |  |  |  |  |  |
Net income | 32,035 |  |  |  |  |  |  |  |  |  |
Other comprehensive income (loss), net of tax | (9,904) |  |  |  |  |  |  |  |  | (9,904) |
Balance at Sep. 30, 2018 | 392,154 |  |  | 17,329 | 161 | 122,478 | 276,563 |  |  | (21,820) | (2,557)
Balance at Mar. 31, 2018 | 380,302 |  |  | 17,329 | 161 | 121,805 | 262,185 |  |  | (18,163) | (3,015)
Comprehensive income: |  |  |  |  |  |  |  |  |  |  |
Net income | 12,170 |  |  |  |  |  | 12,170 |  |  |  |
Other comprehensive income (loss), net of tax | (2,133) |  |  |  |  |  |  |  |  | (2,133) |
Share-based compensation plans: |  |  |  |  |  |  |  |  |  |  |
Share-based compensation | 457 |  |  |  |  | 457 |  |  |  |  |
Stock options exercised | 233 |  |  |  |  | (14) |  |  |  |  | 247
Restricted stock awards issued |  |  |  |  |  | (143) |  |  |  |  | 143
Stock awards | 92 |  |  |  |  | 39 |  |  |  |  | 53
Cash dividends declared: |  |  |  |  |  |  |  |  |  |  |
Preferred stock dividends per share |  | (1) | (365) |  |  |  |  | (1) | (365) |  |
Common stock dividends per share | (3,818) |  |  |  |  |  | (3,818) |  |  |  |
Balance at Jun. 30, 2018 | 386,937 |  |  | 17,329 | 161 | 122,144 | 270,171 |  |  | (20,296) | (2,572)
Comprehensive income: |  |  |  |  |  |  |  |  |  |  |
Net income | 10,577 |  |  |  |  |  | 10,577 |  |  |  |
Other comprehensive income (loss), net of tax | (1,524) |  |  |  |  |  |  |  |  | (1,524) |
Share-based compensation plans: |  |  |  |  |  |  |  |  |  |  |
Share-based compensation | 338 |  |  |  |  | 338 |  |  |  |  |
Stock options exercised | 11 |  |  |  |  | (4) |  |  |  |  | 15
Cash dividends declared: |  |  |  |  |  |  |  |  |  |  |
Preferred stock dividends per share |  | (1) | (364) |  |  |  |  | (1) | (364) |  |
Common stock dividends per share | (3,820) |  |  |  |  |  | (3,820) |  |  |  |
Balance at Sep. 30, 2018 | 392,154 |  |  | 17,329 | 161 | 122,478 | 276,563 |  |  | (21,820) | (2,557)
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 | 11,521 |  |  |  |  |  | 11,521 |  |  |  |
Other comprehensive income (loss), net of tax | 5,510 |  |  |  |  |  |  |  |  | 5,510 |
Reclassification of income tax effects |  |  |  |  |  |  | 2,783 |  |  | (2,783) |
Purchases of common stock for treasury | (193) |  |  |  |  |  |  |  |  |  | (193)
Share-based compensation plans: |  |  |  |  |  |  |  |  |  |  |
Share-based compensation | 182 |  |  |  |  | 182 |  |  |  |  |
Restricted stock units released |  |  |  |  |  | (362) |  |  |  |  | 362
Cash dividends declared: |  |  |  |  |  |  |  |  |  |  |
Preferred stock dividends per share |  | (1) | (364) |  |  |  |  | (1) | (364) |  |
Common stock dividends per share | (3,985) |  |  |  |  |  | (3,985) |  |  |  |
Balance at Mar. 31, 2019 | 408,253 |  |  | 17,328 | 161 | 122,524 | 289,111 |  |  | (18,554) | (2,317)
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 | 35,755 |  |  |  |  |  |  |  |  |  |
Other comprehensive income (loss), net of tax | 12,330 |  |  |  |  |  |  |  |  | 12,330 |
Balance at Sep. 30, 2019 | 432,617 |  |  | 17,328 | 161 | 124,322 | 304,622 |  |  | (11,734) | (2,082)
Balance at Mar. 31, 2019 | 408,253 |  |  | 17,328 | 161 | 122,524 | 289,111 |  |  | (18,554) | (2,317)
Comprehensive income: |  |  |  |  |  |  |  |  |  |  |
Net income | 11,401 |  |  |  |  |  | 11,401 |  |  |  |
Other comprehensive income (loss), net of tax | 5,394 |  |  |  |  |  |  |  |  | 5,394 |
Common stock issued | 1,151 |  |  |  |  | 1,151 |  |  |  |  |
Share-based compensation plans: |  |  |  |  |  |  |  |  |  |  |
Share-based compensation | 453 |  |  |  |  | 453 |  |  |  |  |
Restricted stock awards issued |  |  |  |  |  | (165) |  |  |  |  | 165
Stock awards | 63 |  |  |  |  | 17 |  |  |  |  | 46
Cash dividends declared: |  |  |  |  |  |  |  |  |  |  |
Preferred stock dividends per share |  | (1) | (365) |  |  |  |  | (1) | (365) |  |
Common stock dividends per share | (3,995) |  |  |  |  |  | (3,995) |  |  |  |
Balance at Jun. 30, 2019 | 422,354 |  |  | 17,328 | 161 | 123,980 | 296,151 |  |  | (13,160) | (2,106)
Comprehensive income: |  |  |  |  |  |  |  |  |  |  |
Net income | 12,833 |  |  |  |  |  | 12,833 |  |  |  |
Other comprehensive income (loss), net of tax | 1,426 |  |  |  |  |  |  |  |  | 1,426 |
Purchases of common stock for treasury | (27) |  |  |  |  |  |  |  |  |  | (27)
Share-based compensation plans: |  |  |  |  |  |  |  |  |  |  |
Share-based compensation | 393 |  |  |  |  | 393 |  |  |  |  |
Restricted stock awards issued |  |  |  |  |  | (51) |  |  |  |  | 51
Cash dividends declared: |  |  |  |  |  |  |  |  |  |  |
Preferred stock dividends per share |  | $ (1) | $ (364) |  |  |  |  | $ (1) | $ (364) |  |
Common stock dividends per share | (3,997) |  |  |  |  |  | (3,997) |  |  |  |
Balance at Sep. 30, 2019 | $ 432,617 |  |  | $ 17,328 | $ 161 | $ 124,322 | $ 304,622 |  |  | $ (11,734) | $ (2,082)

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