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Consolidated Statements of Total Comprehensive Income - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Revenues: |  |  |
Net premiums earned | $ 66,000 | $ 111,000 | $ 175,000
Net investment income: |  |  |
Securities available-for-sale and short-term | 196,000 | 271,000 | 338,000
Other investments | 32,000 | 2,000 | 23,000
Net investment income | 227,000 | 273,000 | 361,000
Other-than-temporary impairment losses: |  |  |
Total other-than-temporary impairment losses | 0 | (3,000) | (55,000)
Portion of other-than-temporary impairment recognized in other comprehensive income (loss) | 0 | 0 | 34,000
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net | 0 | (3,000) | (20,000)
Realized Investment Gains (Losses) | 81,000 | 112,000 | 5,000
Derivative, Gain (Loss) on Derivative, Net | (50,000) | 7,000 | 76,000
Net realized gains (losses) on extinguishment of debt | 0 | 3,000 | 5,000
Other income | 134,000 | 5,000 | 0
Income (loss) on variable interest entities | 38,000 | 3,000 | 20,000
Total revenues | 496,000 | 511,000 | 622,000
Expenses: |  |  |
Losses and loss expenses (benefit) | 13,000 | (224,000) | 513,000
Insurance intangible amortization | 295,000 | 107,000 | 151,000
Operating expenses | 103,000 | 112,000 | 122,000
Interest expense | 269,000 | 242,000 | 120,000
Total expenses | 680,000 | 238,000 | 906,000
Pre-tax income (loss) | (183,000) | 273,000 | (284,000)
Provision for income taxes | 32,000 | 5,000 | 44,000
Net income (loss) | (216,000) | 267,000 | (329,000)
Net income (loss) attributable to common stockholders | (216,000) | 186,000 | (329,000)
Other comprehensive income (loss), after tax: |  |  |
Net income (loss) | (216,000) | 267,000 | (329,000)
Unrealized gains (losses) on securities, net of income tax provision (benefit) of $(8), $2 and $0 | 65,000 | 55,000 | (82,000)
Gains (losses) on foreign currency translation, net of income tax provision (benefit) of $0, $0 and $0 | 26,000 | (48,000) | 74,000
Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Reclassification Adjustment from AOCI for Derecognition, after Tax | 0 | 1,000 | 0
Credit risk changes of fair value option liabilities, net of income tax provision (benefit) of $0, $0 and $0 | (1,000) | (2,000) | 1,000
Total other comprehensive income (loss), net of income tax | 91,000 | 6,000 | (7,000)
Total comprehensive income (loss) | (125,000) | 274,000 | (335,000)
Less: comprehensive (loss) gain attributable to the noncontrolling interest: |  |  |
Total comprehensive income (loss) attributable to common stockholders | (125,000) | 192,000 | (335,000)
AMPS Exchange Loss Based on Carry Value | $ 0 | $ 82,000 | $ 0
Basic | $ (4.69) | $ 4.07 | $ (7.25)
Diluted | $ (4.69) | $ 3.99 | $ (7.25)
Weighted Average Number of Shares Outstanding, Basic |  | 45,954,908 | 45,665,883
Weighted Average Number of Shares Outstanding, Diluted |  | 45,954,908 | 46,559,835

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