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Note 7 - Reinsurance Single Premium QSR Program (Details) - USD ($) $ in Thousands |  | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2017 | Oct. 31, 2017 | Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Ceded Premiums Written | [1] |  |  | $ 15,455 | $ 24,348 | $ 39,900 | $ 76,162
2016 Single Premium QSR | Radian Guaranty | Reinsurer Concentration Risk |  |  |  |  |  |  |
Risk In Force |  |  |  | 5,700,000 | 6,400,000 | 5,700,000 | 6,400,000
2018 Single Premium QSR | Radian Guaranty | Reinsurer Concentration Risk |  |  |  |  |  |  |
Risk In Force |  |  |  | $ 2,900,000 | $ 1,600,000 | $ 2,900,000 | $ 1,600,000
Concentration Risk, Percentage |  | 65.00% |  |  |  |  |
Ceded Premiums Written |  |  | $ 335,000 |  |  |  |
[1] | Net of profit commission.

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