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Note 8 - Reinsurance - Single Premium QSR Program (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 36 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2017 | Dec. 31, 2020
Ceded premiums written | $ 14,555 | $ 9,789 | $ 35,157 | $ 72,912 |  |
2020 Single Premium QSR | Radian Guaranty |  |  |  |  |  |
Ceded premiums written |  |  | $ 250,000 |  |  |
Concentration Risk, Percentage |  |  | 65.00% |  |  |
Ceded Insurance Commission Percentage |  |  | 25.00% |  |  |
Risk In Force | 2,046,000 |  | $ 2,046,000 |  |  | $ 1,597,000
2018 Single Premium QSR | Radian Guaranty |  |  |  |  |  |
Concentration Risk, Percentage |  |  | 65.00% |  |  |
Ceded Insurance Commission Percentage |  |  | 25.00% |  |  |
Risk In Force | 1,279,000 |  | $ 1,279,000 |  |  | 1,979,000
2016 Single Premium QSR | Radian Guaranty |  |  |  |  |  |
Concentration Risk, Percentage |  |  |  |  | 35.00% |
Ceded Insurance Commission Percentage |  |  | 25.00% |  |  |
Risk In Force | $ 2,115,000 |  | $ 2,115,000 |  |  | $ 3,071,000
2016 Single Premium QSR | Radian Guaranty | 2012-2014 Vintages |  |  |  |  |  |
Concentration Risk, Percentage |  |  | 20.00% |  |  |
Maximum | 2020 Single Premium QSR | Radian Guaranty |  |  |  |  |  |
Loss Ratio |  |  | 56.00% |  |  |
Maximum | 2018 Single Premium QSR | Radian Guaranty |  |  |  |  |  |
Loss Ratio |  |  | 56.00% |  |  |
Maximum | 2016 Single Premium QSR | Radian Guaranty |  |  |  |  |  |
Concentration Risk, Percentage |  |  | 65.00% |  |  |
Loss Ratio |  |  | 55.00% |  |  |
Maximum | 2016 Single Premium QSR | Radian Guaranty | 2012-2014 Vintages |  |  |  |  |  |
Concentration Risk, Percentage |  |  | 35.00% |  |  |

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- Definition Amount of written premiums ceded to other entities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
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