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Note 11 - Losses and LAE Reserve Activity (Details) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2019 USD ($) incident | Dec. 31, 2018 | Dec. 31, 2017
Hurricanes Harvey and Irma |  |  |  |
Number of Natural Disasters | incident |  | 2 |  |
Mortgage Insurance Segment | Total primary reserves | Incurred But Not Reported |  |  |  |
Liability for Future Policy Benefits, Other Increase (Decrease) | $ |  | $ 30.5 |  |
Mortgage Insurance Segment | Primary Mortgage Product |  |  |  |
Default To Claim Rate Estimate, Gross, For New Defaults | [1] | 7.50% | 8.00% | 10.00%
Default To Claim Estimate, Gross, For Foreclosure Stage Defaults |  | 70.00% | 75.00% | 81.00%
Mortgage Insurance Segment | Primary Mortgage Product | Hurricanes Harvey and Irma |  |  |  |
Default To Claim Rate Estimate, Gross, For New Defaults |  | 3.00% |  |
Mortgage Insurance Segment | Primary Mortgage Product | Aged less than or equal to 5 years |  |  |  |
Default To Claim Rate Estimate, Gross, For Pre-Foreclosure Stage Defaults | [1],[2] | 23.90% | 25.80% | 28.30%
Mortgage Insurance Segment | Primary Mortgage Product | Aged greater than 5 Years |  |  |  |
Default To Claim Rate Estimate, Gross, For Pre-Foreclosure Stage Defaults |  | 63.00% | 68.00% | 62.00%
Mortgage Insurance Segment | Primary Mortgage Product | Aged less than or equal to 5 Years - more aged |  |  |  |
Default To Claim Rate Estimate, Gross, For Pre-Foreclosure Stage Defaults | [2] | 55.60% | 57.40% | 62.00%
[1] | A 3% Default to Claim Rate assumption was assigned to the new primary defaults from FEMA Designated Areas associated with Hurricanes Harvey and Irma that were reported subsequent to those two natural disasters in 2017 and through February 2018.
[2] | Represents the weighted average Default to Claim Rate for all defaults not in foreclosure stage that have been in default for up to five years, including new defaults. The estimated Default to Claim Rates applied to defaults within this population vary by Time in Default, and range from the Default to Claim Rates on new defaults shown above, up to 55.6%, 57.4% and 62.0% for more aged defaults in this category as of December 31, 2019, 2018, and 2017, respectively.

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- Definition This concept represents the rate at which defaulted loans that have reached the stage where the foreclosure sale has been scheduled or held are expected to result in a claim. + References No definition available. + Details
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- Definition This concept represents the rate at which newly reported defaulted loans are expected to result in a claim. + References No definition available. + Details
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- Definition This concept represents the rate at which defaulted loans that have not yet reached the foreclosure stage are expected to result in a claim. + References No definition available. + Details
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- Definition Amount of other increase (decrease) in accrued obligations to policyholders pertaining to insured events for the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (b),(c) -URI http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437 + Details
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