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Note 10 - Losses and LAE Mortgage Insurance Reserves by Product (Details) - USD ($) $ in Thousands | Mar. 31, 2018 | Dec. 31, 2017 | Mar. 31, 2017 | Dec. 31, 2016
--- | --- | --- | --- | ---
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |  |  |  |
Liability for Claims and Claims Adjustment Expense |  | $ 488,656 | $ 507,588 |  |
Mortgage Insurance Segment |  |  |  |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |  |  |  |
Reinsurance recoverables | [1] | 8,973 | 8,350 | $ 7,708 | $ 6,851
Liability for Claims and Claims Adjustment Expense |  | 485,192 | 507,588 | $ 726,169 | $ 760,269
Prime Mortgage Insurance Product [Member] | Mortgage Insurance Segment |  |  |  |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |  |  |  |
Liability for Unpaid Claims |  | 274,595 | 285,022 |  |
Alt-A and A minus and Below Mortgage Insurance Product [Member] | Mortgage Insurance Segment |  |  |  |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |  |  |  |
Liability for Unpaid Claims |  | 158,612 | 170,873 |  |
Primary Mortgage Product [Member] | Mortgage Insurance Segment |  |  |  |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |  |  |  |
Liability for Incurred but Not Reported Claims |  | 17,164 | 16,021 |  |
Liability for Claims Adjustment Expense |  | 13,440 | 13,349 |  |
Reinsurance recoverables | [2] | 8,953 | 8,315 |  |
Total Primary Insurance Mortgage Insurance Products [Member] | Mortgage Insurance Segment |  |  |  |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |  |  |  |
Liability for Claims and Claims Adjustment Expense |  | 472,764 | 493,580 |  |
Pool Insurance Mortgage Insurance Product [Member] | Mortgage Insurance Segment |  |  |  |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |  |  |  |
Liability for Unpaid Claims |  | 11,387 | 12,794 |  |
Liability for Incurred but Not Reported Claims |  | 226 | 278 |  |
Liability for Claims Adjustment Expense |  | 319 | 356 |  |
Reinsurance recoverables | [2] | 20 | 35 |  |
Liability for Claims and Claims Adjustment Expense |  | 11,952 | 13,463 |  |
First Lien Mortgage Insurance Products [Member] | Mortgage Insurance Segment |  |  |  |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |  |  |  |
Liability for Claims and Claims Adjustment Expense |  | 484,716 | 507,043 |  |
Second Lien Mortgage Insurance Product [Member] | Mortgage Insurance Segment |  |  |  |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |  |  |  |
Liability for Claims and Claims Adjustment Expense | [3] | $ 476 | $ 545 |  |
[1] | Related to ceded losses recoverable, if any, on captive reinsurance transactions, the QSR Transactions and the Single Premium QSR Transactions. See Note 7 for additional information.
[2] | Represents ceded losses on captive reinsurance transactions, the QSR Transactions and the Single Premium QSR Transactions.
[3] | 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 Amount, after valuation allowance, recoverable under reinsurance contracts including premium paid under reinsurance contracts. Examples include, but are not limited to, settled and unsettled claims, incurred but not reported losses, loss adjustment expense, premium paid, policy benefits and policy reserves. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6480758&loc=d3e6824-158387 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 310 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6485522&loc=d3e21409-158489 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.(a),6) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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