Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000890926-19-000028-index-headers.html | 2019-05-08 16:22:32 | |
| 0000890926-19-000028-index.html | 2019-05-08 16:22:32 | |
| 0000890926-19-000028.txt | 2019-05-08 16:22:32 | |
 0000890926-19-000028-xbrl.zip | 1418063 | 2019-05-08 16:22:32 |
| FilingSummary.xml | 54982 | 2019-05-08 16:22:32 |
| Financial_Report.xlsx | 122132 | 2019-05-08 16:22:32 |
 image00radianlogo0319.jpg | 72932 | 2019-05-08 16:22:32 |
 image01insuranceinforc0319.jpg | 349234 | 2019-05-08 16:22:32 |
 image02incurredlosses0319.jpg | 452606 | 2019-05-08 16:22:32 |
 image03pmierscushion0319.jpg | 343029 | 2019-05-08 16:22:32 |
 imagex00tablefooter0319.jpg | 18128 | 2019-05-08 16:22:32 |
 imagex00tablestratobj0319.jpg | 54246 | 2019-05-08 16:22:32 |
| MetaLinks.json | 908700 | 2019-05-08 16:22:32 |
| R1.htm | 26203 | 2019-05-08 16:22:32 |
| R10.htm | 119946 | 2019-05-08 16:22:32 |
| R11.htm | 94616 | 2019-05-08 16:22:32 |
| R12.htm | 265622 | 2019-05-08 16:22:32 |
| R13.htm | 61851 | 2019-05-08 16:22:32 |
| R14.htm | 71179 | 2019-05-08 16:22:32 |
| R15.htm | 28956 | 2019-05-08 16:22:32 |
| R16.htm | 9525 | 2019-05-08 16:22:32 |
| R17.htm | 66523 | 2019-05-08 16:22:32 |
| R18.htm | 15365 | 2019-05-08 16:22:32 |
| R19.htm | 58556 | 2019-05-08 16:22:32 |
| R2.htm | 72836 | 2019-05-08 16:22:32 |
| R20.htm | 12789 | 2019-05-08 16:22:32 |
| R21.htm | 9031 | 2019-05-08 16:22:32 |
| R22.htm | 57085 | 2019-05-08 16:22:32 |
| R23.htm | 33636 | 2019-05-08 16:22:32 |
| R24.htm | 34293 | 2019-05-08 16:22:32 |
| R25.htm | 6979 | 2019-05-08 16:22:32 |
| R26.htm | 6935 | 2019-05-08 16:22:32 |
| R27.htm | 26006 | 2019-05-08 16:22:32 |
| R28.htm | 111016 | 2019-05-08 16:22:32 |
| R29.htm | 92495 | 2019-05-08 16:22:32 |
| R3.htm | 19890 | 2019-05-08 16:22:32 |
| R30.htm | 267891 | 2019-05-08 16:22:32 |
| R31.htm | 64099 | 2019-05-08 16:22:32 |
| R32.htm | 55861 | 2019-05-08 16:22:32 |
| R33.htm | 28883 | 2019-05-08 16:22:32 |
| R34.htm | 59077 | 2019-05-08 16:22:32 |
| R35.htm | 15297 | 2019-05-08 16:22:32 |
| R36.htm | 56170 | 2019-05-08 16:22:32 |
| R37.htm | 56782 | 2019-05-08 16:22:32 |
| R38.htm | 21812 | 2019-05-08 16:22:32 |
| R39.htm | 12687 | 2019-05-08 16:22:32 |
| R4.htm | 61027 | 2019-05-08 16:22:32 |
| R40.htm | 29219 | 2019-05-08 16:22:32 |
| R41.htm | 13634 | 2019-05-08 16:22:32 |
| R42.htm | 34337 | 2019-05-08 16:22:32 |
| R43.htm | 73565 | 2019-05-08 16:22:32 |
| R44.htm | 23802 | 2019-05-08 16:22:32 |
| R45.htm | 26268 | 2019-05-08 16:22:32 |
| R46.htm | 104897 | 2019-05-08 16:22:32 |
| R47.htm | 15059 | 2019-05-08 16:22:32 |
| R48.htm | 55985 | 2019-05-08 16:22:32 |
| R49.htm | 71253 | 2019-05-08 16:22:32 |
| R5.htm | 24863 | 2019-05-08 16:22:32 |
| R50.htm | 13227 | 2019-05-08 16:22:32 |
| R51.htm | 25385 | 2019-05-08 16:22:32 |
| R52.htm | 39926 | 2019-05-08 16:22:32 |
| R53.htm | 12013 | 2019-05-08 16:22:32 |
| R54.htm | 59509 | 2019-05-08 16:22:32 |
| R55.htm | 6616 | 2019-05-08 16:22:32 |
| R56.htm | 9173 | 2019-05-08 16:22:32 |
| R57.htm | 13877 | 2019-05-08 16:22:32 |
| R58.htm | 35132 | 2019-05-08 16:22:32 |
| R59.htm | 16998 | 2019-05-08 16:22:32 |
| R6.htm | 45409 | 2019-05-08 16:22:32 |
| R60.htm | 25196 | 2019-05-08 16:22:32 |
| R61.htm | 23032 | 2019-05-08 16:22:32 |
| R62.htm | 12641 | 2019-05-08 16:22:32 |
| R63.htm | 48868 | 2019-05-08 16:22:32 |
| R64.htm | 7380 | 2019-05-08 16:22:32 |
| R65.htm | 53986 | 2019-05-08 16:22:32 |
| R66.htm | 13369 | 2019-05-08 16:22:32 |
| R67.htm | 8225 | 2019-05-08 16:22:32 |
| R68.htm | 12761 | 2019-05-08 16:22:32 |
| R69.htm | 34737 | 2019-05-08 16:22:32 |
| R7.htm | 62434 | 2019-05-08 16:22:32 |
| R70.htm | 34414 | 2019-05-08 16:22:32 |
| R71.htm | 9081 | 2019-05-08 16:22:32 |
| R72.htm | 15628 | 2019-05-08 16:22:32 |
| R73.htm | 16010 | 2019-05-08 16:22:32 |
| R74.htm | 23175 | 2019-05-08 16:22:32 |
| R75.htm | 22474 | 2019-05-08 16:22:32 |
| R76.htm | 65659 | 2019-05-08 16:22:32 |
| R77.htm | 12009 | 2019-05-08 16:22:32 |
| R78.htm | 31949 | 2019-05-08 16:22:32 |
| R79.htm | 22035 | 2019-05-08 16:22:32 |
| R8.htm | 35851 | 2019-05-08 16:22:32 |
| R80.htm | 4779 | 2019-05-08 16:22:32 |
| R81.htm | 85169 | 2019-05-08 16:22:32 |
| R82.htm | 16746 | 2019-05-08 16:22:32 |
| R83.htm | 28967 | 2019-05-08 16:22:32 |
| R84.htm | 8299 | 2019-05-08 16:22:32 |
| R9.htm | 26390 | 2019-05-08 16:22:32 |
| rdn-20190331.xsd | 85815 | 2019-05-08 16:22:32 |
| rdn-20190331_cal.xml | 153724 | 2019-05-08 16:22:32 |
| rdn-20190331_def.xml | 603604 | 2019-05-08 16:22:32 |
| rdn-20190331_lab.xml | 1058000 | 2019-05-08 16:22:32 |
| rdn-20190331_pre.xml | 696834 | 2019-05-08 16:22:32 |
| rdn-ex3120190331.htm | 19892 | 2019-05-08 16:22:32 |
| rdn-ex3220190331.htm | 6427 | 2019-05-08 16:22:32 |
| rdn10q03312019.htm | 2896778 | 2019-05-08 16:22:32 |
| rdn10q03312019_htm.xml | 2718163 | 2019-05-08 16:22:32 |
| report.css | 2768 | 2019-05-08 16:22:32 |
| Show.js | 1086 | 2019-05-08 16:22:32 |