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Other Comprehensive Income (Loss) | 3 Months Ended
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Mar. 31, 2021
Other Comprehensive Income (Loss) [Abstract] |
Other Comprehensive Income (Loss) | 8. OTHER COMPREHENSIVE INCOME (LOSS) The following table presents the components of comprehensive income (loss) in the consolidated statements of operations for the periods indicated:
| Three Months Ended March 31, 2021 |  | Three Months Ended March 31, 2020
(Dollars in thousands) | Before Tax |  | Tax Effect |  | Net of Tax |  | Before Tax |  | Tax Effect |  | Net of Tax
Unrealized appreciation (depreciation) ("URA(D)") on securities - non-credit related | $ | (329,166) |  | $ | 40,551 |  | $ | (288,615) |  | $ | (315,200) |  | $ | 35,802 |  | $ | (279,398)
Reclassification of net realized losses (gains) included in net income (loss) |  | (3,542) |  |  | (124) |  |  | (3,666) |  |  | 38,177 |  |  | (6,778) |  |  | 31,399
Foreign currency translation adjustments |  | (8,988) |  |  | (594) |  |  | (9,582) |  |  | (58,723) |  |  | 7,899 |  |  | (50,824)
Reclassification of benefit plan liability amortization included in net income (loss) |  | 2,586 |  |  | (543) |  |  | 2,043 |  |  | 1,165 |  |  | (245) |  |  | 920
Total other comprehensive income (loss) | $ | (339,110) |  | $ | 39,290 |  | $ | (299,820) |  | $ | (334,581) |  | $ | 36,678 |  | $ | (297,903)
The following table presents details of the amounts reclassified from AOCI for the periods indicated:
|  | Three Months Ended |  |
|  | March 31, |  | Affected line item within the statements of
AOCI component |  | 2021 |  | 2020 |  | operations and comprehensive income (loss)
(Dollars in thousands) |  |  |  |  |  |  |  |
URA(D) on securities |  | $ | (3,542) |  | $ | 38,177 |  | Other net realized capital gains (losses)
|  |  | (124) |  |  | (6,778) |  | Income tax expense (benefit)
|  | $ | (3,666) |  | $ | 31,399 |  | Net income (loss)
Benefit plan net gain (loss) |  | $ | 2,586 |  | $ | 1,165 |  | Other underwriting expenses
|  |  | (543) |  |  | (245) |  | Income tax expense (benefit)
|  | $ | 2,043 |  | $ | 920 |  | Net income (loss)
The following table presents the components of accumulated other comprehensive income (loss), net of tax, in the consolidated balance sheets for the periods indicated:
| Three Months Ended
| March 31,
(Dollars in thousands) | 2021 |  | 2020
Beginning balance of URA (D) on securities | $ | 724,159 |  | $ | 304,425
Current period change in URA (D) of investments - non-credit OTTI |  | (292,281) |  |  | (247,999)
Ending balance of URA (D) on securities |  | 431,878 |  |  | 56,426
Beginning balance of foreign currency translation adjustments |  | (115,390) |  |  | (201,717)
Current period change in foreign currency translation adjustments |  | (9,582) |  |  | (50,824)
Ending balance of foreign currency translation adjustments |  | (124,972) |  |  | (252,541)
Beginning balance of benefit plan net gain (loss) |  | (73,870) |  |  | (74,556)
Current period change in benefit plan net gain (loss) |  | 2,043 |  |  | 920
Ending balance of benefit plan net gain (loss) |  | (71,827) |  |  | (73,636)
Ending balance of accumulated other comprehensive income (loss) | $ | 235,079 |  | $ | (269,751)
(Some amounts may not reconcile due to rounding.) |  |  |  |  |

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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