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v3.20.4

Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Deferred tax assets |  |
Unearned premium reserve reduction | $ 11,488 | $ 12,103
Compensation accruals | 9,487 | 8,866
Reinsurance commissions | 0 | 6,804
Impaired securities | 2,127 | 1,245
Other comprehensive income - net funded status of benefit plans | 2,981 | 2,875
Discounting of unpaid claims and claim expense tax reserves | 2,548 | 2,530
Net operating loss carryforwards | 0 | 3,803
Postretirement benefits other than pensions | 270 | 285
Total gross deferred tax assets | 28,901 | 38,511
Deferred tax liabilities |  |
Other comprehensive income - net unrealized gains on securities | 124,715 | 74,645
Deferred policy acquisition costs | 36,347 | 49,326
Life insurance future policy benefit reserve | 26,725 | 38,210
Life insurance future policy benefit reserve (transitional rule) | 10,651 | 12,786
Discounting of unpaid claims and claim expense tax reserves (transitional rule) | 789 | 947
Investment related adjustments | 34,155 | 15,718
Intangibles | 210 | 2,021
Other, net | 1,959 | 5,482
Total gross deferred tax liabilities | 235,551 | 199,135
Net deferred tax liability | $ 206,650 | $ 160,624

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