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Note 8 - Reinsurance Captive and Smart Home Transactions (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Ceded Credit Risk [Line Items] |  |  |
Ceded Premiums Earned | $ 57,780 | $ 61,017 | $ 67,291
Radian Guaranty [Member] |  |  |
Ceded Credit Risk [Line Items] |  |  |
Policyholder Benefits and Claims Incurred, Assumed and Ceded | $ 20,950 | 21,213 | 47,151
Radian Guaranty [Member] | Captives [Member] |  |  |
Ceded Credit Risk [Line Items] |  |  |
Captive Reinsurers Minimum Capitalization Percentage To Risk Assumed | 10.00% |  |
Amount of New Business Being Placed Into Captive Reinsurance Arrangements | $ 0 |  |
Contracts in Force Ceded Under Captive Reinsurance Arrangements | 71,359 | 129,795 |
Reinsurance Recoverables on Unpaid Losses | 7,293 | 24,711 |
Ceded Premiums Written | 9,950 | 12,948 | 17,812
Ceded Premiums Earned | $ 9,959 | $ 12,958 | $ 17,853

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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=6486662&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 recovery (expense) related to provision for policy benefits and costs incurred for policies assumed and ceded. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6482485&loc=d3e14764-158437 + Details
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