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v3.19.3.a.u2

Segment Information - Additional Significant Financial Information by Segment (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Segment Reporting Information [Line Items] |  |  |
DAC unlocking and amortization expense | $ 109,181 | $ 109,889 | $ 102,185
Income tax expense (benefit) | 52,006 | 1,194 | (80,772)
Property and Casualty |  |  |
Segment Reporting Information [Line Items] |  |  |
DAC unlocking and amortization expense | 79,453 | 79,073 | 76,967
Supplemental |  |  |
Segment Reporting Information [Line Items] |  |  |
DAC unlocking and amortization expense | 438 |  |
Income tax expense (benefit) | 5,105 |  |
Retirement |  |  |
Segment Reporting Information [Line Items] |  |  |
DAC unlocking and amortization expense | 21,446 | 23,186 | 17,759
Life |  |  |
Segment Reporting Information [Line Items] |  |  |
DAC unlocking and amortization expense | 7,844 | 7,630 | 7,459
Operating Segments | Property and Casualty |  |  |
Segment Reporting Information [Line Items] |  |  |
Income tax expense (benefit) | 13,954 | (6,622) | (3,279)
Operating Segments | Retirement |  |  |
Segment Reporting Information [Line Items] |  |  |
Income tax expense (benefit) | 33,772 | 10,000 | (19,498)
Operating Segments | Life |  |  |
Segment Reporting Information [Line Items] |  |  |
Income tax expense (benefit) | 4,907 | 4,979 | (51,876)
Corporate and Other | Corporate and Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Income tax expense (benefit) | $ (5,732) | $ (7,163) | $ (6,119)

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