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Note 7 - Reinsurance Reinsurance Transactions (Details) - Reinsurer Concentration Risk [Member] - Radian Guaranty - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Quota Share Reinsurance Transactions [Member] |  |  |  |  |  |
Ceded Credit Risk [Line Items] |  |  |  |  |  |
Ceded Premiums Written | [1] | $ 5,059 | $ 7,356 | $ 10,516 | $ 15,318 |
Ceded Premiums Earned | [1] | 7,404 | 11,172 | 15,238 | 22,497 |
Accrued Liabilities for Commissions, Expense and Taxes |  | 1,446 | 2,099 | 3,005 | 4,369 |
Fees and Commissions | [2] | 3,379 | 3,779 | 7,273 | 8,225 |
Ceded losses, net |  | (310) | 223 | 260 | 764 |
Single Premium QSR Transaction [Member] |  |  |  |  |  |
Ceded Credit Risk [Line Items] |  |  |  |  |  |
Ceded Premiums Written | [1] | 13,856 | 11,488 | 22,816 | 209,081 | [3]
Ceded Premiums Earned | [1] | 6,311 | 7,146 | 12,170 | 13,140 |
Accrued Liabilities for Commissions, Expense and Taxes |  | 5,134 | 4,844 | 8,846 | 55,776 |
Fees and Commissions | [2] | 3,248 | 3,759 | 6,185 | 6,791 |
Risk In Force |  | 4,100,000 | 3,500,000 | 4,100,000 | 3,500,000 |
Ceded losses, net |  | 464 | 380 | 1,037 | 916 |
First Lien Mortgage Insurance Products [Member] | Quota Share Reinsurance Transactions [Member] |  |  |  |  |  |
Ceded Credit Risk [Line Items] |  |  |  |  |  |
Risk In Force |  | $ 1,400,000 | $ 1,900,000 | $ 1,400,000 | $ 1,900,000 |
[1] | Net of profit commission.
[2] | Includes amounts reported in policy acquisition costs and other operating expenses.
[3] | Includes ceded premiums for policies written in prior periods. See Note 8 of Notes to Consolidated Financial Statements in our 2016 Form 10-K.

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- Definition Amount of earned premiums ceded to other entities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.1) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -Subparagraph (b),(c)(2) -URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=84167274&loc=d3e27175-158546 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17) -URI http://asc.fasb.org/extlink&oid=34713774&loc=d3e574992-122915 + Details
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- Definition Amount of written premiums ceded to other entities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 + Details
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- Definition Amount of fees and commissions from financial services and banking activities and correspondent clearing. Includes fees from depositor accounts, credit cards, merchant discounts, and fiduciary and trust activities, guarantee fees, investment advisory, management, and administrative fees, transfer agent fees, and insurance commissions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.13) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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- Definition Amount of reduction of provision for policy benefits and costs incurred for policies ceded. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6480758&loc=d3e6811-158387 + Details
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