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Note 8 - Reinsurance Reinsurance Transactions (Details) (USD $) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013
Reinsurance Transaction Details [Line Items] |  |  |  |
Ceded Premiums Written | $ 16,421,000 | $ 18,392,000 | $ 32,510,000 | $ 46,277,000
Radian Guaranty [Member] | Initial Quota Share Reinsurance Transaction [Member] |  |  |  |
Reinsurance Transaction Details [Line Items] |  |  |  |
Ceded Premiums Written | 5,046,000 | 5,900,000 | 10,350,000 | 12,022,000
Ceded Premiums Earned | 6,803,000 | 7,662,000 | 13,610,000 | 15,495,000
Fees and Commissions | 1,262,000 | 1,475,000 | 2,588,000 | 3,005,000
First Lien Primary Mortgage Insurance Risk In Force Ceded | 1,200,000,000 |  | 1,200,000,000 |
Radian Guaranty [Member] | Second Quota Share Reinsurance Transaction [Member] |  |  |  |
Reinsurance Transaction Details [Line Items] |  |  |  |
Ceded Premiums Written | 8,072,000 | 7,580,000 | 15,365,000 | 24,020,000
Ceded Premiums Earned | 7,197,000 | 4,283,000 | 13,782,000 | 7,121,000
Fees and Commissions | 2,825,000 | 2,653,000 | 5,378,000 | 8,407,000
First Lien Primary Mortgage Insurance Risk In Force Ceded | 1,500,000,000 |  | 1,500,000,000 |
Maximum [Member] | Radian Guaranty [Member] | Initial Quota Share Reinsurance Transaction [Member] |  |  |  |
Reinsurance Transaction Details [Line Items] |  |  |  |
First Lien Primary Mortgage Insurance Risk In Force Ceded | 1,600,000,000 |  | 1,600,000,000 |
Maximum [Member] | Radian Guaranty [Member] | Second Quota Share Reinsurance Transaction [Member] |  |  |  |
Reinsurance Transaction Details [Line Items] |  |  |  |
First Lien Primary Mortgage Insurance Risk In Force Ceded | $ 1,600,000,000 |  | $ 1,600,000,000 |

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- Definition First Lien Primary Mortgage Insurance Risk In Force Ceded + References No definition available. + Details
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- Details
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- Definition Amount of earned premiums ceded to other entities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 17 -Article 12 Reference 2: 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 Reference 3: 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 4: 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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 1 -Article 7 Reference 6: 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=6486662&loc=d3e27175-158546 + 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 SEC -Name Regulation S-X (SX) -Number 210 -Section 17 -Article 12 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 + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 13 -Article 9 + Details
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