Consolidated Statements Of Changes In Shareholders' Equity - USD ($)
|
Total |
Common Stock |
Additional Paid-in Capital |
Retained Earnings |
Accumulated Other Comprehensive Income, Net of Tax |
Treasury Stock |
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
| Cumulative effect of change in accounting principle |
$ (3,808,000)
|
$ 0
|
$ 0
|
$ (3,808,000)
|
$ 0
|
$ 0
|
| Beginning Balance at Dec. 31, 2016 |
699,187,000
|
21,829,000
|
378,745,000
|
777,695,000
|
7,907,000
|
(486,990,000)
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
| Net earnings |
10,510,000
|
|
|
10,510,000
|
|
|
| Net change in post-retirement benefit liability |
(8,000)
|
|
|
|
(8,000)
|
|
| Change in unrealized gain on investments |
6,579,000
|
|
|
|
6,579,000
|
|
| Change in non-credit component of impairment losses on fixed maturities |
22,000
|
|
|
|
22,000
|
|
| Comprehensive income |
17,102,000
|
|
|
|
|
|
| Dividends paid to common shareholders |
(6,402,000)
|
|
|
(6,402,000)
|
|
|
| Shares issued and share-based compensation expense |
1,449,000
|
18,000
|
1,430,000
|
|
|
|
| Acquisition of treasury stock |
(2,303,000)
|
|
|
|
|
(2,303,000)
|
| Ending Balance at Mar. 31, 2017 |
705,225,000
|
21,848,000
|
380,175,000
|
777,994,000
|
14,500,000
|
(489,293,000)
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
| Net earnings |
34,214,000
|
|
|
34,214,000
|
|
|
| Net change in post-retirement benefit liability |
(124,000)
|
|
|
|
(124,000)
|
|
| Change in unrealized gain on investments |
5,074,000
|
|
|
|
5,074,000
|
|
| Change in non-credit component of impairment losses on fixed maturities |
306,000
|
|
|
|
306,000
|
|
| Comprehensive income |
39,469,000
|
|
|
|
|
|
| Dividends paid to common shareholders |
(19,131,000)
|
|
|
(19,131,000)
|
|
|
| Shares issued and share-based compensation expense |
3,432,000
|
40,000
|
3,391,000
|
|
|
|
| Acquisition of treasury stock |
(13,182,000)
|
|
|
|
|
(13,182,000)
|
| Ending Balance at Dec. 31, 2017 |
715,812,000
|
21,888,000
|
383,567,000
|
793,077,000
|
19,756,000
|
(502,475,000)
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
| Cumulative effect of change in accounting principle |
(10,000)
|
0
|
0
|
18,118,000
|
(18,128,000)
|
0
|
| Net earnings |
20,083,000
|
|
|
20,083,000
|
|
|
| Net change in post-retirement benefit liability |
(1,000)
|
|
|
|
(1,000)
|
|
| Change in unrealized gain on investments |
(12,980,000)
|
|
|
|
(12,980,000)
|
|
| Change in non-credit component of impairment losses on fixed maturities |
152,000
|
|
|
|
152,000
|
|
| Comprehensive income |
7,254,000
|
|
|
|
|
|
| Dividends paid to common shareholders |
(6,346,000)
|
|
|
(6,346,000)
|
|
|
| Shares issued and share-based compensation expense |
1,800,000
|
21,000
|
1,779,000
|
|
|
|
| Acquisition of treasury stock |
(594,000)
|
|
|
|
|
(594,000)
|
| Ending Balance at Mar. 31, 2018 |
$ 717,916,000
|
$ 21,908,000
|
$ 385,346,000
|
$ 824,932,000
|
$ (11,202,000)
|
$ (503,069,000)
|