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v3.19.3.a.u2

Investments (Unrealized Gains on Investments) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Proceeds from Sale of Equity Securities | $ 137,294 | $ 113,339 | $ 37,960 |
Net unrealized gains | 215,688 | 2,391 | 124,679 |
Deferred income tax expense | (45,294) | (502) | (44,103) |
Net unrealized gains, net of deferred income tax | 170,394 | 1,889 | 80,576 |
Cumulative effect adjustment |  |  | (25,000) |
Increase (decrease) in net unrealized gains in OCI, net of deferred income tax | 168,505 | (65,881) | 38,453 |
Equity Securities [Member] |  |  |  |
Net unrealized gains | 0 | 0 | 38,894 |
Available-for-sale Securities [Member] |  |  |  |
Net unrealized gains | 215,634 | 2,302 | 85,806 |
AFS Fixed Income Securities [Member] |  |  |  |
Net unrealized gains |  |  | 124,700 |
Total HTM Securities [Member] |  |  |  |
Net unrealized gains | 31 | 89 | (21) |
Short-term Investments [Member] |  |  |  |
Net unrealized gains | 23 | 0 | 0 |
Accounting Standards Update 2018-02 [Member] | Investments [Member] |  |  |  |
Cumulative effect adjustment | 0 | (17,920) | 0 |
Accounting Standards Update 2018-02 [Member] | Retained Earnings [Member] |  |  |  |
Cumulative effect adjustment |  | 0 | (5,707) | $ 0
Accounting Standards Update 2018-02 [Member] | Retained Earnings [Member] | Investments [Member] |  |  |  |
Cumulative effect adjustment |  | (17,900) |  |
Accounting Standards Update 2016-01 [Member] |  |  |  |
Cumulative effect adjustment | $ 0 | 30,726 | 0 |
Accounting Standards Update 2016-01 [Member] | Retained Earnings [Member] |  |  |  |
Cumulative effect adjustment |  | $ 0 | $ 30,726 | $ 0

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