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Federal Income Taxes (Reconciliation of Federal Income Tax on Income at the Corporate Rate to the Effective Tax Rate) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 21.00% | 35.00% |  |
Capital Loss Carrybacks |  | $ 3,800 |  |
Decrease in Discounted Loss Reserve | $ 109,500 | 125,000 |  | $ 35,000
Provisional Increase to Deferred Tax Asset | 23,000 | 26,300 |  | 7,500
Provisional Increase to Deferred Tax Asset Per Year | 2,900 | 3,300 |  |
Tax at statutory rate (21% in 2019 and 2018 and 35% in 2017) | 70,642 | 44,461 |  | 91,689
Tax-advantaged interest | (4,909) | (5,518) |  | (11,510)
Dividends received deduction | (443) | (647) |  | (1,961)
Federal Income Tax Expense Benefit Related to Executive Compensation | 2,985 | 2,279 |  | 0
Share-based compensation expense income tax benefit | (3,253) | (3,093) |  | (4,281)
Tax Reform Deferred Tax Asset Impact | 0 | 0 |  | 20,205
Other | (255) | (4,700) | [1] | (1,000)
Total federal income tax expense | $ 64,767 | $ 32,782 |  | $ 93,142
[1] | 2018 includes approximately $3.8 million of capital loss carry back items to prior tax years at the previous 35% statutory tax rate.

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- Definition The portion of the difference between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to investment income that is tax advantaged. Tax advantaged investment securities generally are, by statute, tax-reduced, tax-deferred, or tax-free. + References No definition available. + Details
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