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Income Taxes - Components of Deferred Income Taxes (Detail) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Deferred income tax assets: |  |
Unearned premiums | $ 27,496 | $ 23,925
Advanced premiums | 2,325 | 1,493
Unpaid losses and LAE | 2,375 | 1,660
Share-based compensation | 4,065 | 3,837
Accrued wages | 180 | 189
Allowance for uncollectible receivables | 203 | 212
Additional tax basis of securities | 0 | 33
Capital loss carryforwards | 0 | 3,143
Total deferred income tax assets | 36,644 | 34,492
Deferred income tax liabilities: |  |
Deferred policy acquisition costs, net | (26,442) | (22,613)
Fixed assets | (2,313) | (959)
Unrealized gain/loss | (51) | (1,480)
Other comprehensive income | (1,052) | (5,197)
Unpaid loss and LAE transition adjustment | (436) | (563)
Other | (66) | (329)
Total deferred income tax liabilities | (30,360) | (31,141)
Net deferred income tax asset | $ 6,284 | $ 3,351

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