Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-18-155958-index-headers.html | 2018-05-08 16:03:27 | |
| 0001193125-18-155958-index.html | 2018-05-08 16:03:27 | |
| 0001193125-18-155958.txt | 2018-05-08 16:03:27 | |
 0001193125-18-155958-xbrl.zip | 321807 | 2018-05-08 16:03:27 |
| bx-20180331.xml | 3861913 | 2018-05-08 16:03:27 |
| bx-20180331.xsd | 103590 | 2018-05-08 16:03:27 |
| bx-20180331_cal.xml | 125453 | 2018-05-08 16:03:27 |
| bx-20180331_def.xml | 614798 | 2018-05-08 16:03:27 |
| bx-20180331_lab.xml | 699905 | 2018-05-08 16:03:27 |
| bx-20180331_pre.xml | 721418 | 2018-05-08 16:03:27 |
| d572574d10q.htm | 2917804 | 2018-05-08 16:03:27 |
| d572574dex311.htm | 10094 | 2018-05-08 16:03:27 |
| d572574dex312.htm | 10077 | 2018-05-08 16:03:27 |
| d572574dex321.htm | 4490 | 2018-05-08 16:03:27 |
| d572574dex322.htm | 4471 | 2018-05-08 16:03:27 |
| FilingSummary.xml | 61814 | 2018-05-08 16:03:27 |
| Financial_Report.xlsx | 148184 | 2018-05-08 16:03:27 |
 g572574g03c56.jpg | 79446 | 2018-05-08 16:03:27 |
 g572574g12e41.jpg | 153545 | 2018-05-08 16:03:27 |
 g572574g15n16.jpg | 69615 | 2018-05-08 16:03:27 |
 g572574g20l58.jpg | 365925 | 2018-05-08 16:03:27 |
 g572574g22g74.jpg | 669229 | 2018-05-08 16:03:27 |
 g572574g23h69.jpg | 162593 | 2018-05-08 16:03:27 |
 g572574g33l01.jpg | 328582 | 2018-05-08 16:03:27 |
 g572574g63m74.jpg | 20781 | 2018-05-08 16:03:27 |
 g572574g65z61.jpg | 185045 | 2018-05-08 16:03:27 |
 g572574g66v78.jpg | 352934 | 2018-05-08 16:03:27 |
 g572574g82i87.jpg | 109801 | 2018-05-08 16:03:27 |
| R1.htm | 22062 | 2018-05-08 16:03:27 |
| R10.htm | 72236 | 2018-05-08 16:03:27 |
| R11.htm | 9261 | 2018-05-08 16:03:27 |
| R12.htm | 51331 | 2018-05-08 16:03:27 |
| R13.htm | 17398 | 2018-05-08 16:03:27 |
| R14.htm | 69880 | 2018-05-08 16:03:27 |
| R15.htm | 69448 | 2018-05-08 16:03:27 |
| R16.htm | 442734 | 2018-05-08 16:03:27 |
| R17.htm | 16369 | 2018-05-08 16:03:27 |
| R18.htm | 25553 | 2018-05-08 16:03:27 |
| R19.htm | 48159 | 2018-05-08 16:03:27 |
| R2.htm | 72462 | 2018-05-08 16:03:27 |
| R20.htm | 66488 | 2018-05-08 16:03:27 |
| R21.htm | 4573 | 2018-05-08 16:03:27 |
| R22.htm | 21609 | 2018-05-08 16:03:27 |
| R23.htm | 33539 | 2018-05-08 16:03:27 |
| R24.htm | 34024 | 2018-05-08 16:03:27 |
| R25.htm | 17499 | 2018-05-08 16:03:27 |
| R26.htm | 184717 | 2018-05-08 16:03:27 |
| R27.htm | 4042 | 2018-05-08 16:03:27 |
| R28.htm | 103924 | 2018-05-08 16:03:27 |
| R29.htm | 8420 | 2018-05-08 16:03:27 |
| R3.htm | 31367 | 2018-05-08 16:03:27 |
| R30.htm | 53518 | 2018-05-08 16:03:27 |
| R31.htm | 17576 | 2018-05-08 16:03:27 |
| R32.htm | 70529 | 2018-05-08 16:03:27 |
| R33.htm | 74950 | 2018-05-08 16:03:27 |
| R34.htm | 447438 | 2018-05-08 16:03:27 |
| R35.htm | 16164 | 2018-05-08 16:03:27 |
| R36.htm | 24144 | 2018-05-08 16:03:27 |
| R37.htm | 58676 | 2018-05-08 16:03:27 |
| R38.htm | 70415 | 2018-05-08 16:03:27 |
| R39.htm | 19808 | 2018-05-08 16:03:27 |
| R4.htm | 84828 | 2018-05-08 16:03:27 |
| R40.htm | 31820 | 2018-05-08 16:03:27 |
| R41.htm | 22594 | 2018-05-08 16:03:27 |
| R42.htm | 12481 | 2018-05-08 16:03:27 |
| R43.htm | 219188 | 2018-05-08 16:03:27 |
| R44.htm | 7978 | 2018-05-08 16:03:27 |
| R45.htm | 41221 | 2018-05-08 16:03:27 |
| R46.htm | 8748 | 2018-05-08 16:03:27 |
| R47.htm | 18251 | 2018-05-08 16:03:27 |
| R48.htm | 14476 | 2018-05-08 16:03:27 |
| R49.htm | 16655 | 2018-05-08 16:03:27 |
| R5.htm | 18944 | 2018-05-08 16:03:27 |
| R50.htm | 17743 | 2018-05-08 16:03:27 |
| R51.htm | 23324 | 2018-05-08 16:03:27 |
| R52.htm | 12906 | 2018-05-08 16:03:27 |
| R53.htm | 12723 | 2018-05-08 16:03:27 |
| R54.htm | 18734 | 2018-05-08 16:03:27 |
| R55.htm | 15601 | 2018-05-08 16:03:27 |
| R56.htm | 13150 | 2018-05-08 16:03:27 |
| R57.htm | 37116 | 2018-05-08 16:03:27 |
| R58.htm | 20329 | 2018-05-08 16:03:27 |
| R59.htm | 32046 | 2018-05-08 16:03:27 |
| R6.htm | 70340 | 2018-05-08 16:03:27 |
| R60.htm | 28561 | 2018-05-08 16:03:27 |
| R61.htm | 20234 | 2018-05-08 16:03:27 |
| R62.htm | 4648 | 2018-05-08 16:03:27 |
| R63.htm | 11926 | 2018-05-08 16:03:27 |
| R64.htm | 200414 | 2018-05-08 16:03:27 |
| R65.htm | 7179 | 2018-05-08 16:03:27 |
| R66.htm | 115887 | 2018-05-08 16:03:27 |
| R67.htm | 44947 | 2018-05-08 16:03:27 |
| R68.htm | 5167 | 2018-05-08 16:03:27 |
| R69.htm | 13695 | 2018-05-08 16:03:27 |
| R7.htm | 111390 | 2018-05-08 16:03:27 |
| R70.htm | 20572 | 2018-05-08 16:03:27 |
| R71.htm | 4915 | 2018-05-08 16:03:27 |
| R72.htm | 26081 | 2018-05-08 16:03:27 |
| R73.htm | 51438 | 2018-05-08 16:03:27 |
| R74.htm | 13576 | 2018-05-08 16:03:27 |
| R75.htm | 7819 | 2018-05-08 16:03:27 |
| R76.htm | 32203 | 2018-05-08 16:03:27 |
| R77.htm | 26189 | 2018-05-08 16:03:27 |
| R78.htm | 15375 | 2018-05-08 16:03:27 |
| R79.htm | 16410 | 2018-05-08 16:03:27 |
| R8.htm | 12333 | 2018-05-08 16:03:27 |
| R80.htm | 4608 | 2018-05-08 16:03:27 |
| R81.htm | 26685 | 2018-05-08 16:03:27 |
| R82.htm | 7373 | 2018-05-08 16:03:27 |
| R83.htm | 28741 | 2018-05-08 16:03:27 |
| R84.htm | 13884 | 2018-05-08 16:03:27 |
| R85.htm | 20873 | 2018-05-08 16:03:27 |
| R86.htm | 35048 | 2018-05-08 16:03:27 |
| R87.htm | 15899 | 2018-05-08 16:03:27 |
| R88.htm | 30022 | 2018-05-08 16:03:27 |
| R89.htm | 26834 | 2018-05-08 16:03:27 |
| R9.htm | 5904 | 2018-05-08 16:03:27 |
| R90.htm | 23484 | 2018-05-08 16:03:27 |
| R91.htm | 10735 | 2018-05-08 16:03:27 |
| R92.htm | 4962 | 2018-05-08 16:03:27 |
| R93.htm | 105557 | 2018-05-08 16:03:27 |
| R94.htm | 23756 | 2018-05-08 16:03:27 |
| R95.htm | 25322 | 2018-05-08 16:03:27 |
| R96.htm | 7148 | 2018-05-08 16:03:27 |
| report.css | 2768 | 2018-05-08 16:03:27 |
| Show.js | 1411 | 2018-05-08 16:03:27 |