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Accumulated Other Comprehensive Income (Loss) (Tables)
12 Months Ended
Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Rollforward of accumulated other comprehensive income (loss)
The following table shows the rollforward of accumulated other comprehensive income (loss) for the year ended December 31:
 20202019
(In thousands)Before TaxTax EffectNet of TaxBefore TaxTax EffectNet of Tax
Balance at beginning of year$69,401 $(13,214)$56,187 $(33,276)$4,283 $(28,993)
Other comprehensive income (loss):      
Unrealized holding gains (losses) on investments:
Unrealized holding gains arising during the year101,620 (17,286)84,334 105,906 (17,995)87,911 
Less: Reclassification adjustment for gains included in net income (1)(2,697)450 (2,247)(3,229)498 (2,731)
Net unrealized gains on investments98,923 (16,836)82,087 102,677 (17,497)85,180 
Other comprehensive gain98,923 (16,836)82,087 102,677 (17,497)85,180 
Balance at end of year$168,324 $(30,050)$138,274 $69,401 $(13,214)$56,187 
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(1)Included in net realized investments gains on our consolidated statements of comprehensive income.