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Consolidated Statements Of Operations And Comprehensive Income (Loss) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
REVENUES: |  |  |  |
Premiums earned | $ 1,817,299 | $ 1,729,818 | $ 3,549,996 | $ 3,349,245
Net investment income | 179,028 | 141,322 | 320,004 | 279,616
Net realized capital gains (losses): |  |  |  |
Other-than-temporary impairments on fixed maturity securities | 5,157 | 888 | 8,090 | 958
Other-than-temporary impairments on fixed maturity securities transferred to other comprehensive income (loss) | 0 | 0 | 0 | 0
Other net realized capital gains (losses) | 35,429 | 16,664 | 130,594 | (8,167)
Total net realized capital gains (losses) | 30,272 | 15,776 | 122,504 | (9,125)
Net derivative gain (loss) | 353 | 2,987 | 3,584 | 3,260
Other income (expense) | (7,977) | 3,036 | (17,030) | 15,100
Total revenues | 2,018,975 | 1,892,939 | 3,979,058 | 3,638,096
CLAIMS AND EXPENSES: |  |  |  |
Incurred losses and loss adjustment expenses | 1,094,630 | 1,341,314 | 2,143,180 | 2,398,491
Commission, brokerage, taxes and fees | 420,950 | 383,402 | 810,424 | 741,041
Other underwriting expenses | 104,833 | 93,099 | 203,818 | 189,383
Corporate expenses | 7,535 | 6,633 | 14,187 | 15,629
Interest, fees and bond issue cost amortization expense | 8,434 | 7,728 | 16,065 | 15,146
Total claims and expenses | 1,636,382 | 1,832,176 | 3,187,674 | 3,359,690
INCOME (LOSS) BEFORE TAXES | 382,593 | 60,763 | 791,384 | 278,406
Income tax expense (benefit) | 39,738 | (9,132) | 99,629 | (1,807)
NET INCOME (LOSS) | 342,855 | 69,895 | 691,755 | 280,213
Other comprehensive income (loss), net of tax : |  |  |  |
Unrealized appreciation (depreciation) ("URA(D)") on securities arising during the period | 197,759 | (41,776) | 430,824 | (232,400)
Reclassification adjustment for realized losses (gains) included in net income (loss) | (1,869) | 249 | (3,691) | (8,523)
Total URA(D) on securities arising during the period | 195,890 | (41,527) | 427,133 | (240,923)
Foreign currency translation adjustments | (25,832) | (63,652) | (11,780) | (45,953)
Reclassification adjustment for amortization of net (gain) loss included in net income (loss) | 1,151 | 1,815 | 2,302 | 3,630
Total benefit plan net gain (loss) for the period | 1,151 | 1,815 | 2,302 | 3,630
Total other comprehensive income (loss), net of tax | 171,209 | (103,364) | 417,655 | (283,246)
COMPREHENSIVE INCOME (LOSS) | $ 514,064 | $ (33,469) | $ 1,109,410 | $ (3,033)
EARNINGS PER COMMON SHARE: |  |  |  |
Basic | $ 8.42 | $ 1.71 | $ 16.98 | $ 6.85
Diluted | $ 8.39 | $ 1.70 | $ 16.93 | $ 6.81

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