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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, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2017 | Dec. 31, 2014 | Dec. 31, 2019
Ceded premiums written | $ 9,789 | $ 15,455 | $ 72,912 | $ 39,900 |  |  |
2016 Single Premium QSR | Radian Guaranty |  |  |  |  |  |  |
Ceded Insurance Commission Percentage |  |  | 25.00% |  |  |  |
2016 Single Premium QSR | Radian Guaranty | Reinsurer Concentration Risk |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  |  |  | 35.00% |  |
Risk In Force | 3,676,000 |  | $ 3,676,000 |  |  |  | $ 5,351,000
2018 Single Premium QSR | Radian Guaranty |  |  |  |  |  |  |
Ceded Insurance Commission Percentage |  |  | 25.00% |  |  |  |
2018 Single Premium QSR | Radian Guaranty | Reinsurer Concentration Risk |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  | 65.00% |  |  |  |
Risk In Force | 2,352,000 |  | $ 2,352,000 |  |  |  | 3,231,000
2020 Single Premium QSR | Radian Guaranty |  |  |  |  |  |  |
Ceded premiums written |  |  | $ 250,000 |  |  |  |
Ceded Insurance Commission Percentage |  |  | 25.00% |  |  |  |
2020 Single Premium QSR | Radian Guaranty | Reinsurer Concentration Risk |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  | 65.00% |  |  |  |
Risk In Force | $ 1,331,000 |  | $ 1,331,000 |  |  |  | $ 0
Minimum | 2016 Single Premium QSR | Radian Guaranty | Reinsurer Concentration Risk |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  | 20.00% |  |  |  |
Maximum | 2016 Single Premium QSR | Radian Guaranty |  |  |  |  |  |  |
Loss Ratio |  |  | 55.00% |  |  |  |
Maximum | 2016 Single Premium QSR | Radian Guaranty | Reinsurer Concentration Risk |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  | 65.00% |  |  | 35.00% |
Maximum | 2018 Single Premium QSR | Radian Guaranty |  |  |  |  |  |  |
Loss Ratio |  |  | 56.00% |  |  |  |
Maximum | 2020 Single Premium QSR | Radian Guaranty |  |  |  |  |  |  |
Loss Ratio |  |  | 56.00% |  |  |  |

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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13531-108611 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13537-108611 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592 + Details
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