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Consolidated Statements of Total Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2014 Successor Ambac [Member] | Mar. 31, 2013 Predecessor Ambac [Member]
Revenues: |  |
Net premiums earned | $ 82,547 | $ 100,256
Net investment income: |  |
Securities available-for-sale and short-term | 68,807 | 85,057
Other investments | 1,994 | (543)
Total net investment income | 70,801 | 84,514
Other-than-temporary impairment losses: |  |
Total other-than-temporary impairment losses | (10,392) | 0
Portion of loss recognized in other comprehensive income | 0 | 0
Net other-than-temporary impairment losses recognized in earnings | (10,392) | 0
Net realized investment gains (losses) | 16,289 | 46,060
Change in fair value of credit derivatives: |  |
Realized gains (losses) and other settlements | 775 | 2,509
Unrealized gains (losses) | 6,607 | 10,278
Net change in fair value of credit derivatives | 7,382 | 12,787
Derivative products | (53,841) | (569)
Other income | 1,894 | 9,498
(Loss) income on variable interest entities | (5,542) | 38,326
Total revenues before expenses and reorganization items | 109,138 | 290,872
Expenses: |  |
Losses and loss expenses (benefit) | (140,011) | (51,135)
Insurance intangible amortization | 31,714 | 0
Underwriting and operating expenses | 25,786 | 33,874
Interest expense | 32,328 | 23,165
Total (benefit) expenses before reorganization items | (50,183) | 5,904
Pre-tax income (loss) from continuing operations before reorganization items | 159,321 | 284,968
Reorganization items | 23 | 2,059
Pre-tax income (loss) from continuing operations | 159,298 | 282,909
Provision for income taxes | 3,249 | 657
Net income (loss) | 156,049 | 282,252
Less: net gain (loss) attributable to noncontrolling interest | 107 | (47)
Net income (loss) attributable to common shareholders | 155,942 | 282,299
Other comprehensive income (loss), after tax: |  |
Net income (loss) | 156,049 | 282,252
Unrealized gain (loss) on securities, net of deferred income taxes of $0 | 88,722 | 94,098
Gain (loss) on foreign currency translation, net of deferred income taxes of $0 | 4,284 | (261)
Changes to postretirement benefit, net of tax of $0 | (204) | 808
Total other comprehensive income, net of tax | 92,802 | 94,645
Total comprehensive income (loss) | 248,851 | 376,897
Less: comprehensive gain (loss) attributable to the noncontrolling interest: |  |
Noncontrolling interest in subsidiaries’ earnings | 107 | (47)
Currency translation adjustments | 46 | (41)
Total comprehensive income (loss) attributable to Ambac Financial Group, Inc. | $ 248,698 | $ 376,985
Net income (loss) per share attributable to Ambac Financial Group, Inc. common shareholders (in dollars per share) | $ 3.46 | $ 0.93
Net income (loss) per diluted share attributable to Ambac Financial Group, Inc. common shareholders (in dollars per share) | $ 3.31 | $ 0.93

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