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Note 13 - Commitments and Contingencies Legal Proceedings (Details) $ in Millions | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2019 USD ($) | Sep. 23, 2019 Certificates | Aug. 31, 2018 Certificates | Apr. 12, 2018 Certificates | Jun. 05, 2017 Certificates | Dec. 17, 2016 Certificates
Insurance Claims | Total primary reserves | Maximum |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Loss Contingency, Legal Actions Commencement, Period | 2 years |  |  |  |  |
Insurance Claims | Total pool reserves | Maximum |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Loss Contingency, Legal Actions Commencement, Period | 3 years |  |  |  |  |
Ocwen | Initial |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Insurance Certificates Issued Under Multiple Insurance Policies |  |  |  |  |  | 9,420
Ocwen | Amended |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Insurance Certificates Issued Under Multiple Insurance Policies |  |  |  |  | 8,870 |
Ocwen | Narrowed Scope |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Insurance Certificates Whose Scopes Were Narrowed as a Result of the Confidential Agreement |  |  |  | 2,500 |  |
Nationstar | Insurance coverage decisions |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Insurance Certificates Issued Under Multiple Insurance Policies |  | 1,704 | 3,014 |  |  |
Nationstar | Insurance premium refunds |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Insurance Certificates Issued Under Multiple Insurance Policies |  |  | 2,231 |  |  |
Incurred But Not Reported | Mortgage Insurance Segment | Total primary reserves |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Increase (decrease) in IBNR reserve estimate | $ | $ 30.5 |  |  |  |  |

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- 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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