Federal Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Deferred tax assets:
Net loss reserve discounting	$ 89,653	$ 73,175
Net unearned premiums	100,053	89,413
Employee benefits	13,226	13,777
Long-term incentive compensation	7,106	6,736
Unrealized losses on fixed income securities	66,525	74,183
Temporary investment write-downs	7,987	7,560
Other	5,751	8,080
Total deferred tax assets	290,301	272,924
Deferred tax liabilities:
Deferred policy acquisition costs	100,654	89,221
Other investment-related items, net	34,951	33,309
Accelerated depreciation and amortization	7,908	10,157
Total deferred tax liabilities	143,513	132,687
Net deferred federal income tax assets (liabilities)	$ 146,788	$ 140,237

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.

No definition available.