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Note 12 - Commitments and Contingencies Legal Proceedings (Details) $ in Millions | 3 Months Ended | 9 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2019 USD ($) matter | Sep. 30, 2019 USD ($) matter | Sep. 23, 2019 Certificates | Aug. 31, 2018 Certificates | Apr. 12, 2018 Certificates | Jun. 05, 2017 Certificates | Dec. 17, 2016 Certificates
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Increase in Incurred But Not Reported Reserves | $ | $ 11.8 | $ 31.2 |  |  |  |  |
Unasserted Claim | Minimum |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Minimum Number of Pending or Threatened Matters That Could Affect Our Results | matter | 1 | 1 |  |  |  |  |
Insurance Claims | Total primary reserves |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Loss Contingency, Legal Actions Commencement, Period |  | 2 years |  |  |  |  |
Insurance Claims | Pool Insurance Mortgage Insurance Product |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Loss Contingency, Legal Actions Commencement, Period |  | 3 years |  |  |  |  |
Ocwen | Ocwen filings, Initial |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Insurance Certificates Issued Under Multiple Insurance Policies |  |  |  |  |  |  | 9,420
Ocwen | Ocwen filings, Amended |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Insurance Certificates Issued Under Multiple Insurance Policies |  |  |  |  |  | 8,870 |
Ocwen | Ocwen filings, 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 |  |  |

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- Definition Number of pending claims pertaining to a loss contingency. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14435-108349 + Details
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