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Comprehensive Income (Tables) | 3 Months Ended
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Mar. 31, 2014
Equity [Abstract] |
Schedule of Changes in Balances of Each Component of Accumulated Other Comprehensive Income | The following tables detail the changes in the balances of each component of accumulated other comprehensive income for the affected periods:
| Unrealized Gains (Losses) on Available-for-Sale Securities (1) |  |  |  | Gain (Loss) on Foreign Currency Translation (1) |  |
|  | Changes to Postretirement Benefit (1) |  |  | Total
Successor Ambac | Three months ended March 31, 2014 |  | Three months ended March 31, 2014 |  | Three months ended March 31, 2014 |  | Three months ended March 31, 2014
Beginning Balance | $ | (41,910 | ) |  | $ | 10,847 |  |  | $ | 42,724 |  |  | $ | 11,661 |
Other comprehensive income before reclassifications | 94,622 |  |  | — |  |  | 4,238 |  |  | 98,860 |
Amounts reclassified from accumulated other comprehensive income | (5,900 | ) |  | (204 | ) |  | — |  |  | (6,104 | )
Net current period other comprehensive income | 88,722 |  |  | (204 | ) |  | 4,238 |  |  | 92,756 |
Balance at March 31, 2014 | $ | 46,812 |  |  | $ | 10,643 |  |  | $ | 46,962 |  |  | $ | 104,417 |
| Unrealized Gains (Losses) on Available-for-Sale Securities (1) |  | Changes to Postretirement Benefit (1) |  | Gain (Loss) on Foreign Currency Translation (1) |  |
|  |  |  | Total
Predecessor Ambac | Three months ended March 31, 2013 |  | Three months ended March 31, 2013 |  | Three months ended March 31, 2013 |  | Three months ended March 31, 2013
Beginning Balance | $ | 651,272 |  |  | $ | (5,860 | ) |  | $ | (20,027 | ) |  | $ | 625,385 |
Other comprehensive income before reclassifications | 100,180 |  |  | — |  |  | (220 | ) |  | 99,960 |
Amounts reclassified from accumulated other comprehensive income | (6,082 | ) |  | 808 |  |  | — |  |  | (5,274 | )
Net current period other comprehensive income | 94,098 |  |  | 808 |  |  | (220 | ) |  | 94,686 |
Balance at March 31, 2013 | $ | 745,370 |  |  | $ | (5,052 | ) |  | $ | (20,247 | ) |  | $ | 720,071 |
(1) All amounts are net of tax and noncontrolling interest. Amounts in parentheses indicate debits.
Schedule of Amounts Reclassed Out of Each Component of Accumulated Other Comprehensive Income | The following table details the significant amounts reclassified from each component of accumulated other comprehensive income for the affected periods:
|  | Amount Reclassified from Accumulated Other Comprehensive Income (1) |  |
Details about Accumulated Other Comprehensive Income Components |  | Successor Ambac – |  |  | Predecessor Ambac – |  | Affected Line Item in the Consolidated Statement of Total Comprehensive Income
| Three months ended March 31, 2014 |  |  | Three months ended March 31, 2013 |
Unrealized Gains (Losses) on Available-for-Sale Securities |  |  |  |  |  |  |
|  | $ | (5,900 | ) |  |  | $ | (6,082 | ) |  | Net realized investment gains
|  | — |  |  |  | — |  |  | Tax (expense) benefit
|  | $ | (5,900 | ) |  |  | $ | (6,082 | ) |  | Net of tax and noncontrolling interest
Amortization of Postretirement Benefit |  |  |  |  |  |  |
Prior service cost |  | $ | (166 | ) |  |  | $ | 1,707 |  |  | Underwriting and operating expenses (2)
Actuarial gains (losses) |  | (38 | ) |  |  | (899 | ) |  | Underwriting and operating expenses (2)
|  | (204 | ) |  |  | 808 |  |  | Total before tax
|  | — |  |  |  | — |  |  | Tax (expense) benefit
|  | $ | (204 | ) |  |  | $ | 808 |  |  | Net of tax and noncontrolling interest
Total reclassifications for the period |  | $ | (6,104 | ) |  |  | $ | (5,274 | ) |  | Net of tax and noncontrolling interest
(1) | Amounts in parentheses indicate debits to the Consolidated Statement of Comprehensive Income.
(2) | These accumulated other comprehensive income components are included in the computation of net periodic benefit cost.

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- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669686-108580 + Details
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