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Fresh Start Financial Statement Reporting - Cancellation of Equity Accounts Attributable to Shareholders and Fair Value Adjustment of Noncontrolling Interests (Detail) (Predecessor Ambac [Member], USD $) In Thousands, unless otherwise specified | Apr. 30, 2013
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Predecessor Ambac [Member] |
Fresh-Start Adjustment [Line Items] |
Common stock | $ (3,080)
Additional paid-in-capital | (2,172,027)
Accumulated other comprehensive income | (800,260)
Accumulated deficit | 2,948,275
Common stock held in treasury at cost | 410,695
Noncontrolling interest fair value adjustment | (383,603)
Net adjustment |

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- Definition Amount of fresh-start adjustment to accumulated other comprehensive Income or Loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=29642632&loc=d3e56426-112766 + Details
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- Definition Amount of fresh-start adjustment to additional paid-in capital. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=29642632&loc=d3e56426-112766 + Details
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- Definition Amount of fresh-start adjustment to common stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=29642632&loc=d3e56426-112766 + Details
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- Definition Amount of fresh-start adjustment to preferred and common stock held in treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=29642632&loc=d3e56426-112766 + Details
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- Definition Amount of fresh-start adjustment to retained earnings or deficit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=29642632&loc=d3e56426-112766 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 45 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=6916575&loc=d3e55811-112764 + Details
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- Definition Total fresh-start adjustment to stockholders' equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=29642632&loc=d3e56426-112766 + Details
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