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v3.19.3.a.u2

CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands | Total | Common stock | Additional paid-in capital | Retained earnings | Accumulated other comprehensive income (loss), net of tax: | Treasury stock, at cost
--- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2016 |  | $ 65 | $ 453,479 | $ 1,155,732 | $ 163,921 | $ (479,215)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Options exercised |  | 0 |  |  |  |
Conversion of common stock units |  | 0 |  |  |  |
Conversion of restricted common stock units |  | 0 |  |  |  |
Options exercised and conversion of common stock units and restricted stock units |  |  | 2,962 |  |  |
Share-based compensation expense |  |  | 7,805 |  |  |
Net income | $ 169,459 |  |  | 169,459 |  |
Dividends, 2019, $1.15 per share; 2018, $1.14 per share; 2017, $1.10 per share |  |  |  | (46,114) |  |
Reclassification of deferred taxes | 47,900 |  |  | (47,900) | 47,900 |
Cumulative effect of change in accounting principle | 0 |  |  | 0 | 0 |
Change in net unrealized investment gains (losses) on securities | 74,405 |  |  |  | 74,405 |
Change in net funded status of benefit plans | 734 |  |  |  | 734 |
Acquisition of shares |  |  |  |  |  | (1,660)
Ending balance at Dec. 31, 2017 | 1,501,573 | 65 | 464,246 | 1,231,177 | 286,960 | (480,875)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Options exercised |  | 0 |  |  |  |
Conversion of common stock units |  | 0 |  |  |  |
Conversion of restricted common stock units |  | 1 |  |  |  |
Options exercised and conversion of common stock units and restricted stock units |  |  | 3,008 |  |  |
Share-based compensation expense |  |  | 7,855 |  |  |
Net income | 18,343 |  |  | 18,343 |  |
Dividends, 2019, $1.15 per share; 2018, $1.14 per share; 2017, $1.10 per share |  |  |  | (47,979) |  |
Reclassification of deferred taxes |  |  |  | 0 | 0 |
Cumulative effect of change in accounting principle | (15,041) |  |  | 15,041 | (15,041) |
Change in net unrealized investment gains (losses) on securities | (188,195) |  |  |  | (188,195) |
Change in net funded status of benefit plans | 1,032 |  |  |  | 1,032 |
Acquisition of shares |  |  |  |  |  | (5,088)
Ending balance at Dec. 31, 2018 | 1,290,550 | 66 | 475,109 | 1,216,582 | 84,756 | (485,963)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Options exercised |  | 0 |  |  |  |
Conversion of common stock units |  | 0 |  |  |  |
Conversion of restricted common stock units |  | 0 |  |  |  |
Options exercised and conversion of common stock units and restricted stock units |  |  | (555) |  |  |
Share-based compensation expense |  |  | 6,408 |  |  |
Net income | 184,443 |  |  | 184,443 |  |
Dividends, 2019, $1.15 per share; 2018, $1.14 per share; 2017, $1.10 per share |  |  |  | (48,486) |  |
Reclassification of deferred taxes |  |  |  | 0 | 0 |
Cumulative effect of change in accounting principle | 0 |  |  | 0 | 0 |
Change in net unrealized investment gains (losses) on securities | 133,507 |  |  |  | 133,507 |
Change in net funded status of benefit plans | 1,418 |  |  |  | 1,418 |
Acquisition of shares |  |  |  |  |  | 0
Ending balance at Dec. 31, 2019 | $ 1,567,285 | $ 66 | $ 480,962 | $ 1,352,539 | $ 219,681 | $ (485,963)

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