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Federal Income Taxes (Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Net loss reserve discounting | $ 73,175 | $ 65,907
Net unearned premiums | 89,413 | 76,513
Employee benefits | 13,777 | 7,064
Long-term incentive compensation plans | 6,736 | 6,384
Unrealized losses on AFS securities | 74,183 | 110,857
Temporary investment write-downs | 7,560 | 12,480
Other | 8,080 | 9,824
Total deferred tax assets | 272,924 | 289,029
Deferred policy acquisition costs | 89,221 | 77,411
Other investment-related items, net | 33,309 | 26,713
Accelerated depreciation and amortization | 10,157 | 12,172
Deferred Tax Liabilities, Total | 132,687 | 116,296
Deferred federal income tax | (140,237) | (172,733)
Deferred tax liability |  |
Net deferred federal income tax | $ 140,237 | $ 172,733

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- Definition The tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from temporary investment write-downs on securities which can only be deducted for tax purposes when the losses are realized, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken. + References No definition available. + Details
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