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Comprehensive Income (Loss) and Accumulated Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Dec. 31, 2020
Equity [Abstract] |
Components of comprehensive income | The components of comprehensive income (loss) were as follows:
($ in thousands) |  | Year Ended December 31,
|  | 2020 |  | 2019 |  | 2018
Net income |  | $ | 133,315 |  |  | $ | 184,443 |  |  | $ | 18,343 |
Other comprehensive income (loss): |  |  |  |  |  |
Change in net unrealized investment gains (losses) on fixed maturity securities: |  |  |  |  |  |
Net unrealized investment gains (losses) on securities arising during the period |  | 183,950 |  |  | 327,363 |  |  | (275,094) |
Less: reclassification adjustment for net investment gains (losses) included in income before income tax |  | 11,235 |  |  | 157,423 |  |  | (16,363) |
Total, before tax |  | 172,715 |  |  | 169,940 |  |  | (258,731) |
Income tax expense (benefit) |  | 36,878 |  |  | 36,433 |  |  | (55,495) |
Total, net of tax |  | 135,837 |  |  | 133,507 |  |  | (203,236) |
Change in net funded status of benefit plans: |  |  |  |  |  |
Before tax |  | (503) |  |  | 1,805 |  |  | 1,294 |
Income tax expense (benefit) |  | (105) |  |  | 387 |  |  | 262 |
Total, net of tax |  | (398) |  |  | 1,418 |  |  | 1,032 |
Total comprehensive income (loss) |  | $ | 268,754 |  |  | $ | 319,368 |  |  | $ | (183,861) |
Accumulated other comprehensive income (loss) | The following table reconciles the components of AOCI for the periods indicated.
($ in thousands) |  | Net Unrealized Investment Gains (Losses) on Securities (1)(2) |  | Net Funded Status of Benefit Plans (1) |  | Total (1)
Beginning balance, January 1, 2020 |  | $ | 230,448 |  |  | $ | (10,767) |  |  | $ | 219,681 |
Other comprehensive income (loss) before reclassifications |  | 144,713 |  |  | (398) |  |  | 144,315 |
Amounts reclassified from AOCI |  | (8,876) |  |  | — |  |  | (8,876) |
Net current period other comprehensive income (loss) |  | 135,837 |  |  | (398) |  |  | 135,439 |
Ending balance, December 31, 2020 |  | $ | 366,285 |  |  | $ | (11,165) |  |  | $ | 355,120 |
Beginning balance, January 1, 2019 |  | $ | 96,941 |  |  | $ | (12,185) |  |  | $ | 84,756 |
Other comprehensive income (loss) before reclassifications |  | 257,871 |  |  | 1,418 |  |  | 259,289 |
Amounts reclassified from AOCI |  | (124,364) |  |  | — |  |  | (124,364) |
Net current period other comprehensive income (loss) |  | 133,507 |  |  | 1,418 |  |  | 134,925 |
Ending balance, December 31, 2019 |  | $ | 230,448 |  |  | $ | (10,767) |  |  | $ | 219,681 |
Beginning balance, January 1, 2018 |  | $ | 300,177 |  |  | $ | (13,217) |  |  | $ | 286,960 |
Other comprehensive income (loss) before reclassifications |  | (201,122) |  |  | 1,032 |  |  | (200,090) |
Amounts reclassified from AOCI |  | 12,927 |  |  | — |  |  | 12,927 |
Cumulative effect of change in accounting principle (3) |  | (15,041) |  |  | — |  |  | (15,041) |
Net current period other comprehensive income (loss) |  | (203,236) |  |  | 1,032 |  |  | (202,204) |
Ending balance, December 31, 2018 |  | $ | 96,941 |  |  | $ | (12,185) |  |  | $ | 84,756 |
(1) All amounts are net of tax. (2) The pretax amounts reclassified from AOCI, $11.2 million, $157.4 million and $(16.4) million, are included in net investment gains (losses) and the related tax expenses, $2.4 million, $33.1 million and $(3.4) million, are included in income tax expense in the Consolidated Statements of Operations for the years ended December 31, 2020, 2019 and 2018, respectively. (3) The Company adopted guidance on January 1, 2018 that resulted in reclassifying $15.0 million of after tax net unrealized gains on equity securities from AOCI to Retained earnings.

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- Definition Tabular disclosure of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement benefit plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121641772&loc=d3e526-108580 + Details
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