Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000914748-19-000011-index-headers.html | 2019-08-14 14:51:39 | |
| 0000914748-19-000011-index.html | 2019-08-14 14:51:39 | |
| 0000914748-19-000011.txt | 2019-08-14 14:51:39 | |
 0000914748-19-000011-xbrl.zip | 284581 | 2019-08-14 14:51:39 |
| cik0000914748-20190630.xml | 7370654 | 2019-08-14 14:51:39 |
| cik0000914748-20190630.xsd | 77345 | 2019-08-14 14:51:39 |
| cik0000914748-20190630_cal.xml | 86570 | 2019-08-14 14:51:39 |
| cik0000914748-20190630_def.xml | 292670 | 2019-08-14 14:51:39 |
| cik0000914748-20190630_lab.xml | 516329 | 2019-08-14 14:51:39 |
| cik0000914748-20190630_pre.xml | 511438 | 2019-08-14 14:51:39 |
| exhibit31-1.htm | 9898 | 2019-08-14 14:51:39 |
| exhibit31-2.htm | 9796 | 2019-08-14 14:51:39 |
| exhibit32-1.htm | 6228 | 2019-08-14 14:51:39 |
| FilingSummary.xml | 52461 | 2019-08-14 14:51:39 |
| Financial_Report.xlsx | 106375 | 2019-08-14 14:51:39 |
| holdings10q2q2019.htm | 3217576 | 2019-08-14 14:51:39 |
| 495789 | 2019-08-14 14:51:39 | |
| R1.htm | 31172 | 2019-08-14 14:51:39 |
| R10.htm | 78738 | 2019-08-14 14:51:39 |
| R11.htm | 793119 | 2019-08-14 14:51:39 |
| R12.htm | 20085 | 2019-08-14 14:51:39 |
| R13.htm | 345079 | 2019-08-14 14:51:39 |
| R14.htm | 15189 | 2019-08-14 14:51:39 |
| R15.htm | 54400 | 2019-08-14 14:51:39 |
| R16.htm | 56434 | 2019-08-14 14:51:39 |
| R17.htm | 55524 | 2019-08-14 14:51:39 |
| R18.htm | 251684 | 2019-08-14 14:51:39 |
| R19.htm | 345006 | 2019-08-14 14:51:39 |
| R2.htm | 90282 | 2019-08-14 14:51:39 |
| R20.htm | 106433 | 2019-08-14 14:51:39 |
| R21.htm | 7014 | 2019-08-14 14:51:39 |
| R22.htm | 5335 | 2019-08-14 14:51:39 |
| R23.htm | 997349 | 2019-08-14 14:51:39 |
| R24.htm | 76727 | 2019-08-14 14:51:39 |
| R25.htm | 763904 | 2019-08-14 14:51:39 |
| R26.htm | 17775 | 2019-08-14 14:51:39 |
| R27.htm | 344527 | 2019-08-14 14:51:39 |
| R28.htm | 54591 | 2019-08-14 14:51:39 |
| R29.htm | 52355 | 2019-08-14 14:51:39 |
| R3.htm | 24219 | 2019-08-14 14:51:39 |
| R30.htm | 52152 | 2019-08-14 14:51:39 |
| R31.htm | 248745 | 2019-08-14 14:51:39 |
| R32.htm | 334722 | 2019-08-14 14:51:39 |
| R33.htm | 100841 | 2019-08-14 14:51:39 |
| R34.htm | 18119 | 2019-08-14 14:51:39 |
| R35.htm | 38497 | 2019-08-14 14:51:39 |
| R36.htm | 44437 | 2019-08-14 14:51:39 |
| R37.htm | 40883 | 2019-08-14 14:51:39 |
| R38.htm | 18589 | 2019-08-14 14:51:39 |
| R39.htm | 55685 | 2019-08-14 14:51:39 |
| R4.htm | 72575 | 2019-08-14 14:51:39 |
| R40.htm | 43392 | 2019-08-14 14:51:39 |
| R41.htm | 29556 | 2019-08-14 14:51:39 |
| R42.htm | 29760 | 2019-08-14 14:51:39 |
| R43.htm | 13783 | 2019-08-14 14:51:39 |
| R44.htm | 7375 | 2019-08-14 14:51:39 |
| R45.htm | 27306 | 2019-08-14 14:51:39 |
| R46.htm | 55125 | 2019-08-14 14:51:39 |
| R47.htm | 74337 | 2019-08-14 14:51:39 |
| R48.htm | 41795 | 2019-08-14 14:51:39 |
| R49.htm | 17094 | 2019-08-14 14:51:39 |
| R5.htm | 36222 | 2019-08-14 14:51:39 |
| R50.htm | 8940 | 2019-08-14 14:51:39 |
| R51.htm | 38262 | 2019-08-14 14:51:39 |
| R52.htm | 21270 | 2019-08-14 14:51:39 |
| R53.htm | 33551 | 2019-08-14 14:51:39 |
| R54.htm | 74148 | 2019-08-14 14:51:39 |
| R55.htm | 14620 | 2019-08-14 14:51:39 |
| R56.htm | 16514 | 2019-08-14 14:51:39 |
| R57.htm | 5077 | 2019-08-14 14:51:39 |
| R58.htm | 41382 | 2019-08-14 14:51:39 |
| R59.htm | 21764 | 2019-08-14 14:51:39 |
| R6.htm | 93355 | 2019-08-14 14:51:39 |
| R60.htm | 4936 | 2019-08-14 14:51:39 |
| R61.htm | 8300 | 2019-08-14 14:51:39 |
| R62.htm | 15267 | 2019-08-14 14:51:39 |
| R63.htm | 21732 | 2019-08-14 14:51:39 |
| R64.htm | 7569 | 2019-08-14 14:51:39 |
| R65.htm | 32229 | 2019-08-14 14:51:39 |
| R66.htm | 19638 | 2019-08-14 14:51:39 |
| R67.htm | 6434 | 2019-08-14 14:51:39 |
| R68.htm | 60404 | 2019-08-14 14:51:39 |
| R69.htm | 16710 | 2019-08-14 14:51:39 |
| R7.htm | 7278 | 2019-08-14 14:51:39 |
| R70.htm | 6716 | 2019-08-14 14:51:39 |
| R71.htm | 47951 | 2019-08-14 14:51:39 |
| R72.htm | 17088 | 2019-08-14 14:51:39 |
| R73.htm | 30610 | 2019-08-14 14:51:39 |
| R74.htm | 28560 | 2019-08-14 14:51:39 |
| R8.htm | 28030 | 2019-08-14 14:51:39 |
| R9.htm | 1014524 | 2019-08-14 14:51:39 |
| report.css | 2767 | 2019-08-14 14:51:39 |
| Show.js | 1085 | 2019-08-14 14:51:39 |