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Consolidated Statements Of Income (Loss) And Comprehensive Income (Loss) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
OPERATING REVENUES |  |  |  |  |  |  |  |
Earned premiums | $ 1,360,174 |  | $ 1,199,461 |  | $ 2,690,883 |  | $ 2,403,438 |
Net investment income | 95,615 |  | 111,831 |  | 183,858 |  | 226,013 |
Net realized investment gains (losses) | (2,812) |  | (67) |  | 6,926 |  | 614 |
Change in fair value of equity securities | 914,055 |  | 425,720 |  | (777,124) |  | 1,037,230 |
Net investment gains (losses) | 911,243 |  | 425,653 |  | (770,198) |  | 1,037,844 |
Products revenues | 423,581 |  | 501,676 |  | 775,742 |  | 850,470 |
Services and other revenues | 341,402 |  | 200,495 |  | 587,396 |  | 393,839 |
Total Operating Revenues | 3,132,015 |  | 2,439,116 |  | 3,467,681 |  | 4,911,604 |
OPERATING EXPENSES |  |  |  |  |  |  |  |
Losses and loss adjustment expenses | 713,216 |  | 678,120 |  | 1,789,564 |  | 1,365,866 |
Underwriting, acquisition and insurance expenses | 489,362 |  | 462,316 |  | 984,525 |  | 917,528 |
Products expenses | 364,483 |  | 425,138 |  | 678,554 |  | 744,564 |
Services and other expenses | 284,940 |  | 170,796 |  | 502,496 |  | 345,402 |
Amortization of intangible assets | 37,754 | [1] | 36,300 | [2] | 75,612 | [3] | 76,968 | [4]
Total Operating Expenses | 1,889,755 |  | 1,772,670 |  | 4,030,751 |  | 3,450,328 |
Operating Income (Loss) | 1,242,260 |  | 666,446 |  | (563,070) |  | 1,461,276 |
Interest expense | (45,427) |  | (41,267) |  | (90,457) |  | (81,557) |
Net foreign exchange gains (losses) | (21,460) |  | 25,015 |  | 56,841 |  | 3,151 |
Income (Loss) Before Income Taxes | 1,175,373 |  | 650,194 |  | (596,686) |  | 1,382,870 |
Income tax (expense) benefit | (243,702) |  | (143,711) |  | 126,981 |  | (298,874) |
Net Income (Loss) | 931,671 |  | 506,483 |  | (469,705) |  | 1,083,996 |
Net income attributable to noncontrolling interests | (9,903) |  | (9,185) |  | (14,290) |  | (10,271) |
Net Income (Loss) to Shareholders | 921,768 |  | 497,298 |  | (483,995) |  | 1,073,725 |
Preferred stock dividends | 0 |  | 0 |  | 0 |  | 0 |
Net Income (Loss) to Common Stockholders | 921,768 |  | 497,298 |  | (483,995) |  | 1,073,725 |
OTHER COMPREHENSIVE INCOME |  |  |  |  |  |  |  |
Net holding gains arising during the period | 172,661 |  | 128,467 |  | 237,038 |  | 280,798 |
Reclassification adjustments for net gains (losses) included in net income (loss) | (1,385) |  | 803 |  | (198) |  | 557 |
Change in net unrealized gains on available-for-sale investments, net of taxes | 171,276 |  | 129,270 |  | 236,840 |  | 281,355 |
Change in foreign currency translation adjustments, net of taxes | (1,405) |  | (3,749) |  | (14,139) |  | (1,372) |
Change in net actuarial pension loss, net of taxes | 884 |  | 515 |  | 884 |  | 1,876 |
Total Other Comprehensive Income | 170,755 |  | 126,036 |  | 223,585 |  | 281,859 |
Comprehensive Income (Loss) | 1,102,426 |  | 632,519 |  | (246,120) |  | 1,365,855 |
Comprehensive income attributable to noncontrolling interests | (10,033) |  | (9,189) |  | (14,296) |  | (10,280) |
Comprehensive Income (Loss) to Shareholders | $ 1,092,393 |  | $ 623,330 |  | $ (260,416) |  | $ 1,355,575 |
NET INCOME (LOSS) PER COMMON SHARE |  |  |  |  |  |  |  |
Basic (in dollars per share) | $ 65.81 |  | $ 36.10 |  | $ (34.83) |  | $ 78.91 |
Diluted (in dollars per share) | $ 65.75 |  | $ 36.07 |  | $ (34.83) |  | $ 78.85 |
[1] | Segment profit for the Markel Ventures segment includes amortization of intangible assets attributable to Markel Ventures. Amortization of intangible assets is not allocated to the Company's Insurance and Reinsurance segments.
[2] | Segment profit for the Markel Ventures segment includes amortization of intangible assets attributable to Markel Ventures. Amortization of intangible assets is not allocated to the Company's Insurance and Reinsurance segments.
[3] | Segment profit for the Markel Ventures segment includes amortization of intangible assets attributable to Markel Ventures. Amortization of intangible assets is not allocated to the Company's Insurance and Reinsurance segments.
[4] | Segment profit for the Markel Ventures segment includes amortization of intangible assets attributable to Markel Ventures. Amortization of intangible assets is not allocated to the Company's Insurance and Reinsurance segments.

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