Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001620459-19-000073-index-headers.html | 2019-08-02 15:10:20 | |
| 0001620459-19-000073-index.html | 2019-08-02 15:10:20 | |
| 0001620459-19-000073.txt | 2019-08-02 15:10:20 | |
 0001620459-19-000073-xbrl.zip | 310617 | 2019-08-02 15:10:20 |
| FilingSummary.xml | 38892 | 2019-08-02 15:10:20 |
| Financial_Report.xlsx | 91248 | 2019-08-02 15:10:20 |
| jrvr-20190630.xsd | 50531 | 2019-08-02 15:10:20 |
| jrvr-20190630_cal.xml | 108979 | 2019-08-02 15:10:20 |
| jrvr-20190630_def.xml | 290244 | 2019-08-02 15:10:20 |
| jrvr-20190630_lab.xml | 745466 | 2019-08-02 15:10:20 |
| jrvr-20190630_pre.xml | 480599 | 2019-08-02 15:10:20 |
| jrvr0630201910q.htm | 3050304 | 2019-08-02 15:10:20 |
| jrvr0630201910q_htm.xml | 2641516 | 2019-08-02 15:10:20 |
| jrvrex31106302019.htm | 13559 | 2019-08-02 15:10:20 |
| jrvrex31206302019.htm | 13581 | 2019-08-02 15:10:20 |
| jrvrex3206302019.htm | 9754 | 2019-08-02 15:10:20 |
| MetaLinks.json | 629082 | 2019-08-02 15:10:20 |
| R1.htm | 55380 | 2019-08-02 15:10:20 |
| R10.htm | 35880 | 2019-08-02 15:10:20 |
| R11.htm | 40802 | 2019-08-02 15:10:20 |
| R12.htm | 51358 | 2019-08-02 15:10:20 |
| R13.htm | 36255 | 2019-08-02 15:10:20 |
| R14.htm | 10282 | 2019-08-02 15:10:20 |
| R15.htm | 182499 | 2019-08-02 15:10:20 |
| R16.htm | 22675 | 2019-08-02 15:10:20 |
| R17.htm | 155708 | 2019-08-02 15:10:20 |
| R18.htm | 103750 | 2019-08-02 15:10:20 |
| R19.htm | 6188 | 2019-08-02 15:10:20 |
| R2.htm | 88088 | 2019-08-02 15:10:20 |
| R20.htm | 40259 | 2019-08-02 15:10:20 |
| R21.htm | 12724 | 2019-08-02 15:10:20 |
| R22.htm | 259768 | 2019-08-02 15:10:20 |
| R23.htm | 34903 | 2019-08-02 15:10:20 |
| R24.htm | 39651 | 2019-08-02 15:10:20 |
| R25.htm | 44389 | 2019-08-02 15:10:20 |
| R26.htm | 33506 | 2019-08-02 15:10:20 |
| R27.htm | 183673 | 2019-08-02 15:10:20 |
| R28.htm | 21750 | 2019-08-02 15:10:20 |
| R29.htm | 145345 | 2019-08-02 15:10:20 |
| R3.htm | 23145 | 2019-08-02 15:10:20 |
| R30.htm | 100198 | 2019-08-02 15:10:20 |
| R31.htm | 59600 | 2019-08-02 15:10:20 |
| R32.htm | 19770 | 2019-08-02 15:10:20 |
| R33.htm | 58363 | 2019-08-02 15:10:20 |
| R34.htm | 34414 | 2019-08-02 15:10:20 |
| R35.htm | 40094 | 2019-08-02 15:10:20 |
| R36.htm | 46699 | 2019-08-02 15:10:20 |
| R37.htm | 29212 | 2019-08-02 15:10:20 |
| R38.htm | 51911 | 2019-08-02 15:10:20 |
| R39.htm | 9143 | 2019-08-02 15:10:20 |
| R4.htm | 74649 | 2019-08-02 15:10:20 |
| R40.htm | 20742 | 2019-08-02 15:10:20 |
| R41.htm | 7314 | 2019-08-02 15:10:20 |
| R42.htm | 27392 | 2019-08-02 15:10:20 |
| R43.htm | 14927 | 2019-08-02 15:10:20 |
| R44.htm | 30031 | 2019-08-02 15:10:20 |
| R45.htm | 24093 | 2019-08-02 15:10:20 |
| R46.htm | 8446 | 2019-08-02 15:10:20 |
| R47.htm | 22226 | 2019-08-02 15:10:20 |
| R48.htm | 6287 | 2019-08-02 15:10:20 |
| R49.htm | 45297 | 2019-08-02 15:10:20 |
| R5.htm | 5529 | 2019-08-02 15:10:20 |
| R50.htm | 36113 | 2019-08-02 15:10:20 |
| R51.htm | 14725 | 2019-08-02 15:10:20 |
| R52.htm | 28500 | 2019-08-02 15:10:20 |
| R53.htm | 99447 | 2019-08-02 15:10:20 |
| R54.htm | 12406 | 2019-08-02 15:10:20 |
| R55.htm | 47243 | 2019-08-02 15:10:20 |
| R56.htm | 22738 | 2019-08-02 15:10:20 |
| R57.htm | 8443 | 2019-08-02 15:10:20 |
| R58.htm | 11888 | 2019-08-02 15:10:20 |
| R59.htm | 42771 | 2019-08-02 15:10:20 |
| R6.htm | 54137 | 2019-08-02 15:10:20 |
| R60.htm | 33679 | 2019-08-02 15:10:20 |
| R61.htm | 7560 | 2019-08-02 15:10:20 |
| R62.htm | 6770 | 2019-08-02 15:10:20 |
| R63.htm | 23308 | 2019-08-02 15:10:20 |
| R7.htm | 67227 | 2019-08-02 15:10:20 |
| R8.htm | 35202 | 2019-08-02 15:10:20 |
| R9.htm | 270660 | 2019-08-02 15:10:20 |
| R9999.htm | 7266 | 2019-08-02 15:10:20 |
| report.css | 2767 | 2019-08-02 15:10:20 |
| Show.js | 1085 | 2019-08-02 15:10:20 |