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Note 10 - Losses and Loss Adjustment Expense Mortgage Insurance Reserve for Losses and LAE by Category (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018 | Mar. 31, 2018 | Dec. 31, 2017
--- | --- | --- | --- | ---
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |  |  |  |  |  |
Liability for Claims and Claims Adjustment Expense |  | $ 388,784 |  | $ 401,361 |  |  |
Mortgage Insurance Segment |  |  |  |  |  |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |  |  |  |  |  |
Liability for Claims and Claims Adjustment Expense |  | 385,361 | [1] | 397,891 | [1] | $ 485,192 | $ 507,588
Prime | Mortgage Insurance Segment |  |  |  |  |  |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |  |  |  |  |  |
Liability for Unpaid Claims | [1] | 240,489 |  | 242,135 |  |  |
Alt-A and A minus and below | Mortgage Insurance Segment |  |  |  |  |  |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |  |  |  |  |  |
Liability for Unpaid Claims | [1] | 111,955 |  | 119,553 |  |  |
Primary Mortgage Product | Mortgage Insurance Segment |  |  |  |  |  |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |  |  |  |  |  |
IBNR and other | [1] | 13,008 |  | 13,864 |  |  |
LAE | [1] | 8,994 |  | 10,271 |  |  |
Total primary reserves | Mortgage Insurance Segment |  |  |  |  |  |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |  |  |  |  |  |
Liability for Claims and Claims Adjustment Expense | [1] | 374,446 |  | 385,823 |  |  |
Total pool reserves | Mortgage Insurance Segment |  |  |  |  |  |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |  |  |  |  |  |
Liability for Claims and Claims Adjustment Expense | [1] | 10,621 |  | 11,640 |  |  |
Total First-lien reserves | Mortgage Insurance Segment |  |  |  |  |  |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |  |  |  |  |  |
Liability for Claims and Claims Adjustment Expense | [1] | 385,067 |  | 397,463 |  |  |
Other (Second-lien reserves) | Mortgage Insurance Segment |  |  |  |  |  |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |  |  |  |  |  |
Liability for Claims and Claims Adjustment Expense | [1],[2] | $ 294 |  | $ 428 |  |  |
[1] | Includes ceded losses on reinsurance transactions, which are expected to be recovered and are included in the reinsurance recoverables reported in other assets in our condensed consolidated balance sheets. See Note 8.
[2] | Does not include our second-lien premium deficiency reserve that is included in other liabilities.

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- Definition The actual and estimated costs of settling claims under the terms of the underlying insurance policies and assumed and ceded insurance contracts as of the balance sheet date. + References No definition available. + Details
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- Definition Estimated costs as of the balance sheet date of settling insured claims that have not yet been submitted to the insurer for reimbursement, as well as reserves for estimated reinstatements of previously rescinded policies and denied claims and other reserves for other potential payment of claims. + References No definition available. + Details
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- Definition The amount needed to reflect the estimated ultimate cost of settling claims relating to insured events that have occurred on or before the balance sheet date, whether or not reported to the insurer at that date. + 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 (a) -URI http://asc.fasb.org/extlink&oid=99382578&loc=d3e14764-158437 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (cc) -URI http://asc.fasb.org/extlink&oid=99382578&loc=d3e14764-158437 + Details
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