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Note 16 - Commitments and Contingencies Legal Proceedings (Details) (USD $) In Millions, unless otherwise specified |  | 0 Months Ended | 6 Months Ended | 102 Months Ended |  | 6 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2014 matters | Jun. 30, 2014 Loss Contingency 8-1-2011 Claim [Member] loan | Apr. 09, 2013 Real Estate Settlement Practices Act of 1974 [Member] | Jun. 30, 2014 Internal Revenue Service (IRS) [Member] | Jun. 30, 2014 Captive Reinsurance Arrangements [Member] | Jun. 30, 2014 Minimum [Member] loan plaintiff | Jun. 30, 2014 Total Primary Insurance Mortgage Insurance Products [Member] Maximum [Member] Insurance Claims [Member] | Jun. 30, 2014 Pool Insurance Mortgage Insurance Product [Member] Maximum [Member] Insurance Claims [Member] | Jun. 30, 2014 Financial Guaranty Segment Trade Credit Reinsurance and Surety Insurance [Member] | Jun. 30, 2014 Euro Member Countries, Euro Financial Guaranty Segment Trade Credit Reinsurance and Surety Insurance [Member] | Jun. 30, 2014 United States of America, Dollars Financial Guaranty Segment Trade Credit Reinsurance and Surety Insurance [Member]
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Range of Possible Loss, Minimum |  |  |  |  |  |  |  |  |  | $ 10.2 | $ 13.9
Number Of Home Mortgage Loans Involved In Pending Litigation |  | 507 |  |  |  | 1 |  |  |  |  |
Risk In Force |  | 29.0 |  |  |  |  |  |  |  |  |
Loss Contingency, Number of Plaintiffs Whose Loans Were Insured |  |  |  |  |  | 1 |  |  |  |  |
Loss Contingency, Settlement Agreement, Number of Years Restricted From Activities |  |  | 10 years |  |  |  |  |  |  |  |
Litigation Settlement, Gross |  |  | 3.75 |  |  |  |  |  |  |  |
Insurance Recoveries |  |  |  |  | 814 |  |  |  |  |  |
Proposed Increase To Tax Liability Resulting From I.R.S. Examination Of Tax Years 2000 Through 2007 |  |  |  | 128 |  |  |  |  |  |  |
Income Tax Examination, Proposed Penalties |  |  |  | $ 42 |  |  |  |  |  |  |
Number of Days Company Has to Respond to IRS Office of Appeals Deficiency Notice |  |  |  | 90 days |  |  |  |  |  |  |
Loss Contingency, Legal Actions Commencement, Period |  |  |  |  |  |  | 2 years | 3 years |  |  |
Minimum Number of Pending or Threatened Matters That Could Effect Our Results | 1 |  |  |  |  |  |  |  |  |  |
Percentage of Claims Rejected by Entity |  |  |  |  |  |  |  |  | 100.00% |  |

X
- Definition The amount of estimated proposed penalties as of the balance sheet date arising from income tax examinations for tax years 2000 through 2007. + References No definition available. + Details
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X
- Definition Under Our Master Insurance Policy Any Suit Or Action Arising From Any Right Of The Insured Under The Policy Must Be Commenced Within This Number Of Years After Such Right First Arose + References No definition available. + Details
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X
- Definition Loss Contingency, Number of Plaintiffs Whose Loans Were Insured in group of loans involved in legal proceedings + References No definition available. + Details
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X
- Definition As part of a settlement agreement related to litigation, the number of years the defendant is restricted from conducting a specific activity. + References No definition available. + Details
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X
- Definition This concept represents the minimum number of currently pending or threatened matters that could potentially impact our results. + References No definition available. + Details
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X
- Definition Number of Days Company Has to Respond to IRS Office of Appeals Deficiency Notice with payment of assessed tax liabilities, penalties and interest or to petition the US Tax Court to litigate. + References No definition available. + Details
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- Definition Number Of Home Mortgage Loans Involved In Pending Litigation + References No definition available. + Details
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X
- Definition This concept represents the percentage of claims rejected by the entity as related to commitment and contingency disclosure for the reporting period. + References No definition available. + Details
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X
- Definition This concept represents the proposed Increase an entities tax liability resulting from an IRS examination excluding interest and penalties. + References No definition available. + Details
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- Definition Risk In Force + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition Amount of judgment or settlement awarded to (against) the entity in respect of litigation. + References No definition available. + Details
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- Details
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- Definition The estimated minimum amount of possible loss from the contingency. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349 + Details
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