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Schedule IV - Reinsurance [Disclosure] Schedule IV - Reinsurance (Notes) | 12 Months Ended
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Dec. 31, 2015
Supplemental Schedule of Reinsurance Premiums for Insurance Companies [Abstract] |
Supplemental Schedule of Reinsurance Premiums for Insurance Companies [Text Block] | AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES SCHEDULE IV— REINSURANCE Years Ended December 31, 2015 and 2014 Eight Months Ended December 31, 2013 and Four Months Ended April 30, 2013
Insurance Premiums Written ($ in Thousands) | Gross Amount |  | Ceded to Other Companies |  | Assumed from Other Companies |  | Net Amount |  | Percentage of Amount Assumed to Net
Successor Ambac |  |  |  |  |  |  |  |  |
Year ended December 31, 2015 | $ | (37,572 | ) |  | $ | (3,001 | ) |  | $ | — |  |  | $ | (34,571 | ) |  | —%
Year ended December 31, 2014 | (288,310 | ) |  | (6,842 | ) |  | — |  |  | (281,468 | ) |  | —%
Eight months ended December 31, 2013 | (80,309 | ) |  | (7,810 | ) |  | — |  |  | (72,499 | ) |  | —%
Predecessor Ambac |  |  |  |  |  |  |  |  |
Four months ended April 30, 2013 | (14,125 | ) |  | (1,098 | ) |  | — |  |  | (13,027 | ) |  | —%

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- Definition The entire disclosure for the supplemental schedule of reinsurance information. Reinsurance schedule includes, but is not limited to, the type of insurance, gross amount of premiums, premiums ceded to other entities, premiums assumed from other entities, net amount of premium revenue, and the percentage of the premiums assumed to net premium revenue. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17) -URI http://asc.fasb.org/extlink&oid=34713774&loc=d3e574992-122915 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.7-05.(c) Schedule IV) -URI http://asc.fasb.org/extlink&oid=6879921&loc=d3e569147-122900 + Details
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