Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001403528-17-000030-index-headers.html | 2017-08-04 16:07:21 | |
| 0001403528-17-000030-index.html | 2017-08-04 16:07:21 | |
| 0001403528-17-000030.txt | 2017-08-04 16:07:21 | |
 0001403528-17-000030-xbrl.zip | 430427 | 2017-08-04 16:07:21 |
| a2017q210-q.htm | 4270058 | 2017-08-04 16:07:21 |
| exhibit3112q2017.htm | 11929 | 2017-08-04 16:07:21 |
| exhibit3122q2017.htm | 11798 | 2017-08-04 16:07:21 |
| exhibit3212q2017.htm | 6296 | 2017-08-04 16:07:21 |
| exhibit3222q2017.htm | 6158 | 2017-08-04 16:07:21 |
| FilingSummary.xml | 52202 | 2017-08-04 16:07:21 |
| Financial_Report.xlsx | 142111 | 2017-08-04 16:07:21 |
| oak-20170630.xml | 5369055 | 2017-08-04 16:07:21 |
| oak-20170630.xsd | 93283 | 2017-08-04 16:07:21 |
| oak-20170630_cal.xml | 141749 | 2017-08-04 16:07:21 |
| oak-20170630_def.xml | 642658 | 2017-08-04 16:07:21 |
| oak-20170630_lab.xml | 1035173 | 2017-08-04 16:07:21 |
| oak-20170630_pre.xml | 747314 | 2017-08-04 16:07:21 |
| R1.htm | 25692 | 2017-08-04 16:07:21 |
| R10.htm | 19631 | 2017-08-04 16:07:21 |
| R11.htm | 374553 | 2017-08-04 16:07:21 |
| R12.htm | 677636 | 2017-08-04 16:07:21 |
| R13.htm | 223334 | 2017-08-04 16:07:21 |
| R14.htm | 20881 | 2017-08-04 16:07:21 |
| R15.htm | 19371 | 2017-08-04 16:07:21 |
| R16.htm | 145695 | 2017-08-04 16:07:21 |
| R17.htm | 22107 | 2017-08-04 16:07:21 |
| R18.htm | 78836 | 2017-08-04 16:07:21 |
| R19.htm | 27248 | 2017-08-04 16:07:21 |
| R2.htm | 103583 | 2017-08-04 16:07:21 |
| R20.htm | 37446 | 2017-08-04 16:07:21 |
| R21.htm | 12971 | 2017-08-04 16:07:21 |
| R22.htm | 14918 | 2017-08-04 16:07:21 |
| R23.htm | 32980 | 2017-08-04 16:07:21 |
| R24.htm | 9422 | 2017-08-04 16:07:21 |
| R25.htm | 6071 | 2017-08-04 16:07:21 |
| R26.htm | 64849 | 2017-08-04 16:07:21 |
| R27.htm | 17498 | 2017-08-04 16:07:21 |
| R28.htm | 374970 | 2017-08-04 16:07:21 |
| R29.htm | 742813 | 2017-08-04 16:07:21 |
| R3.htm | 19034 | 2017-08-04 16:07:21 |
| R30.htm | 323747 | 2017-08-04 16:07:21 |
| R31.htm | 19591 | 2017-08-04 16:07:21 |
| R32.htm | 13874 | 2017-08-04 16:07:21 |
| R33.htm | 146477 | 2017-08-04 16:07:21 |
| R34.htm | 22025 | 2017-08-04 16:07:21 |
| R35.htm | 73150 | 2017-08-04 16:07:21 |
| R36.htm | 22732 | 2017-08-04 16:07:21 |
| R37.htm | 26399 | 2017-08-04 16:07:21 |
| R38.htm | 24441 | 2017-08-04 16:07:21 |
| R39.htm | 9330 | 2017-08-04 16:07:21 |
| R4.htm | 72030 | 2017-08-04 16:07:21 |
| R40.htm | 27193 | 2017-08-04 16:07:21 |
| R41.htm | 22571 | 2017-08-04 16:07:21 |
| R42.htm | 11936 | 2017-08-04 16:07:21 |
| R43.htm | 13704 | 2017-08-04 16:07:21 |
| R44.htm | 14889 | 2017-08-04 16:07:21 |
| R45.htm | 7651 | 2017-08-04 16:07:21 |
| R46.htm | 39771 | 2017-08-04 16:07:21 |
| R47.htm | 14630 | 2017-08-04 16:07:21 |
| R48.htm | 104221 | 2017-08-04 16:07:21 |
| R49.htm | 15068 | 2017-08-04 16:07:21 |
| R5.htm | 38392 | 2017-08-04 16:07:21 |
| R50.htm | 27177 | 2017-08-04 16:07:21 |
| R51.htm | 67592 | 2017-08-04 16:07:21 |
| R52.htm | 30218 | 2017-08-04 16:07:21 |
| R53.htm | 25402 | 2017-08-04 16:07:21 |
| R54.htm | 102496 | 2017-08-04 16:07:21 |
| R55.htm | 108607 | 2017-08-04 16:07:21 |
| R56.htm | 12051 | 2017-08-04 16:07:21 |
| R57.htm | 89957 | 2017-08-04 16:07:21 |
| R58.htm | 16899 | 2017-08-04 16:07:21 |
| R59.htm | 27977 | 2017-08-04 16:07:21 |
| R6.htm | 109956 | 2017-08-04 16:07:21 |
| R60.htm | 12162 | 2017-08-04 16:07:21 |
| R61.htm | 17959 | 2017-08-04 16:07:21 |
| R62.htm | 57674 | 2017-08-04 16:07:21 |
| R63.htm | 18809 | 2017-08-04 16:07:21 |
| R64.htm | 29631 | 2017-08-04 16:07:21 |
| R65.htm | 48810 | 2017-08-04 16:07:21 |
| R66.htm | 21433 | 2017-08-04 16:07:21 |
| R67.htm | 29643 | 2017-08-04 16:07:21 |
| R68.htm | 24557 | 2017-08-04 16:07:21 |
| R69.htm | 55887 | 2017-08-04 16:07:21 |
| R7.htm | 70665 | 2017-08-04 16:07:21 |
| R70.htm | 24394 | 2017-08-04 16:07:21 |
| R71.htm | 18284 | 2017-08-04 16:07:21 |
| R72.htm | 16200 | 2017-08-04 16:07:21 |
| R73.htm | 37279 | 2017-08-04 16:07:21 |
| R74.htm | 10395 | 2017-08-04 16:07:21 |
| R75.htm | 10695 | 2017-08-04 16:07:21 |
| R76.htm | 22409 | 2017-08-04 16:07:21 |
| R77.htm | 18882 | 2017-08-04 16:07:21 |
| R78.htm | 31403 | 2017-08-04 16:07:21 |
| R79.htm | 24165 | 2017-08-04 16:07:21 |
| R8.htm | 11371 | 2017-08-04 16:07:21 |
| R80.htm | 19869 | 2017-08-04 16:07:21 |
| R81.htm | 16544 | 2017-08-04 16:07:21 |
| R82.htm | 24139 | 2017-08-04 16:07:21 |
| R83.htm | 25634 | 2017-08-04 16:07:21 |
| R84.htm | 24812 | 2017-08-04 16:07:21 |
| R85.htm | 4080 | 2017-08-04 16:07:21 |
| R86.htm | 10836 | 2017-08-04 16:07:21 |
| R9.htm | 50015 | 2017-08-04 16:07:21 |
| report.css | 2768 | 2017-08-04 16:07:21 |
| Show.js | 1410 | 2017-08-04 16:07:21 |