Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001069157-25-000052-index-headers.html | 2025-05-09 16:07:11 | |
| 0001069157-25-000052-index.html | 2025-05-09 16:07:11 | |
| 0001069157-25-000052.txt | 2025-05-09 16:07:11 | |
 0001069157-25-000052-xbrl.zip | 772225 | 2025-05-09 16:07:11 |
| ewbc-20250331.htm | 5981656 | 2025-05-09 16:07:11 |
| ewbc-20250331.xsd | 97017 | 2025-05-09 16:07:11 |
| ewbc-20250331_cal.xml | 174662 | 2025-05-09 16:07:11 |
| ewbc-20250331_def.xml | 690892 | 2025-05-09 16:07:11 |
 ewbc-20250331_g1.jpg | 54019 | 2025-05-09 16:07:11 |
 ewbc-20250331_g2.jpg | 48007 | 2025-05-09 16:07:11 |
 ewbc-20250331_g3.jpg | 55579 | 2025-05-09 16:07:11 |
 ewbc-20250331_g4.jpg | 45083 | 2025-05-09 16:07:11 |
 ewbc-20250331_g5.jpg | 67714 | 2025-05-09 16:07:11 |
| ewbc-20250331_htm.xml | 7765053 | 2025-05-09 16:07:11 |
| ewbc-20250331_lab.xml | 1148967 | 2025-05-09 16:07:11 |
| ewbc-20250331_pre.xml | 984510 | 2025-05-09 16:07:11 |
| ewbc10110q3312025.htm | 5311 | 2025-05-09 16:07:11 |
| ewbc10210q3312025.htm | 5328 | 2025-05-09 16:07:11 |
| ewbc10310q3312025.htm | 57988 | 2025-05-09 16:07:11 |
| ewbc31110q3312025.htm | 11580 | 2025-05-09 16:07:11 |
| ewbc31210q3312025.htm | 11703 | 2025-05-09 16:07:11 |
| ewbc32110q3312025.htm | 5963 | 2025-05-09 16:07:11 |
| ewbc32210q3312025.htm | 6190 | 2025-05-09 16:07:11 |
| FilingSummary.xml | 68558 | 2025-05-09 16:07:11 |
| Financial_Report.xlsx | 226034 | 2025-05-09 16:07:11 |
| MetaLinks.json | 1478128 | 2025-05-09 16:07:11 |
| R1.htm | 53106 | 2025-05-09 16:07:11 |
| R10.htm | 510288 | 2025-05-09 16:07:11 |
| R11.htm | 42088 | 2025-05-09 16:07:11 |
| R12.htm | 381248 | 2025-05-09 16:07:11 |
| R13.htm | 330522 | 2025-05-09 16:07:11 |
| R14.htm | 1172183 | 2025-05-09 16:07:11 |
| R15.htm | 55786 | 2025-05-09 16:07:11 |
| R16.htm | 6161 | 2025-05-09 16:07:11 |
| R17.htm | 32411 | 2025-05-09 16:07:11 |
| R18.htm | 60739 | 2025-05-09 16:07:11 |
| R19.htm | 34286 | 2025-05-09 16:07:11 |
| R2.htm | 105808 | 2025-05-09 16:07:11 |
| R20.htm | 33348 | 2025-05-09 16:07:11 |
| R21.htm | 80050 | 2025-05-09 16:07:11 |
| R22.htm | 92553 | 2025-05-09 16:07:11 |
| R23.htm | 14486 | 2025-05-09 16:07:11 |
| R24.htm | 8465 | 2025-05-09 16:07:11 |
| R25.htm | 58065 | 2025-05-09 16:07:11 |
| R26.htm | 489476 | 2025-05-09 16:07:11 |
| R27.htm | 36283 | 2025-05-09 16:07:11 |
| R28.htm | 493652 | 2025-05-09 16:07:11 |
| R29.htm | 326301 | 2025-05-09 16:07:11 |
| R3.htm | 22079 | 2025-05-09 16:07:11 |
| R30.htm | 1156769 | 2025-05-09 16:07:11 |
| R31.htm | 51272 | 2025-05-09 16:07:11 |
| R32.htm | 25450 | 2025-05-09 16:07:11 |
| R33.htm | 53652 | 2025-05-09 16:07:11 |
| R34.htm | 31867 | 2025-05-09 16:07:11 |
| R35.htm | 31534 | 2025-05-09 16:07:11 |
| R36.htm | 81737 | 2025-05-09 16:07:11 |
| R37.htm | 79286 | 2025-05-09 16:07:11 |
| R38.htm | 4209 | 2025-05-09 16:07:11 |
| R39.htm | 23346 | 2025-05-09 16:07:11 |
| R4.htm | 116044 | 2025-05-09 16:07:11 |
| R40.htm | 191751 | 2025-05-09 16:07:11 |
| R41.htm | 18250 | 2025-05-09 16:07:11 |
| R42.htm | 74384 | 2025-05-09 16:07:11 |
| R43.htm | 66468 | 2025-05-09 16:07:11 |
| R44.htm | 25282 | 2025-05-09 16:07:11 |
| R45.htm | 71522 | 2025-05-09 16:07:11 |
| R46.htm | 7731 | 2025-05-09 16:07:11 |
| R47.htm | 35849 | 2025-05-09 16:07:11 |
| R48.htm | 83659 | 2025-05-09 16:07:11 |
| R49.htm | 75248 | 2025-05-09 16:07:11 |
| R5.htm | 33110 | 2025-05-09 16:07:11 |
| R50.htm | 25319 | 2025-05-09 16:07:11 |
| R51.htm | 6243 | 2025-05-09 16:07:11 |
| R52.htm | 9243 | 2025-05-09 16:07:11 |
| R53.htm | 103889 | 2025-05-09 16:07:11 |
| R54.htm | 74667 | 2025-05-09 16:07:11 |
| R55.htm | 8093 | 2025-05-09 16:07:11 |
| R56.htm | 50668 | 2025-05-09 16:07:11 |
| R57.htm | 88415 | 2025-05-09 16:07:11 |
| R58.htm | 18446 | 2025-05-09 16:07:11 |
| R59.htm | 87052 | 2025-05-09 16:07:11 |
| R6.htm | 61764 | 2025-05-09 16:07:11 |
| R60.htm | 24026 | 2025-05-09 16:07:11 |
| R61.htm | 19703 | 2025-05-09 16:07:11 |
| R62.htm | 66521 | 2025-05-09 16:07:11 |
| R63.htm | 43003 | 2025-05-09 16:07:11 |
| R64.htm | 9906 | 2025-05-09 16:07:11 |
| R65.htm | 284607 | 2025-05-09 16:07:11 |
| R66.htm | 104821 | 2025-05-09 16:07:11 |
| R67.htm | 22449 | 2025-05-09 16:07:11 |
| R68.htm | 8435 | 2025-05-09 16:07:11 |
| R69.htm | 47403 | 2025-05-09 16:07:11 |
| R7.htm | 28652 | 2025-05-09 16:07:11 |
| R70.htm | 30304 | 2025-05-09 16:07:11 |
| R71.htm | 47191 | 2025-05-09 16:07:11 |
| R72.htm | 51684 | 2025-05-09 16:07:11 |
| R73.htm | 13995 | 2025-05-09 16:07:11 |
| R74.htm | 8308 | 2025-05-09 16:07:11 |
| R75.htm | 52312 | 2025-05-09 16:07:11 |
| R76.htm | 12990 | 2025-05-09 16:07:11 |
| R77.htm | 29194 | 2025-05-09 16:07:11 |
| R78.htm | 8531 | 2025-05-09 16:07:11 |
| R79.htm | 21641 | 2025-05-09 16:07:11 |
| R8.htm | 125506 | 2025-05-09 16:07:11 |
| R80.htm | 23439 | 2025-05-09 16:07:11 |
| R81.htm | 19370 | 2025-05-09 16:07:11 |
| R82.htm | 28203 | 2025-05-09 16:07:11 |
| R83.htm | 4915 | 2025-05-09 16:07:11 |
| R84.htm | 22011 | 2025-05-09 16:07:11 |
| R85.htm | 17038 | 2025-05-09 16:07:11 |
| R86.htm | 18756 | 2025-05-09 16:07:11 |
| R87.htm | 34973 | 2025-05-09 16:07:11 |
| R88.htm | 6515 | 2025-05-09 16:07:11 |
| R89.htm | 31221 | 2025-05-09 16:07:11 |
| R9.htm | 11757 | 2025-05-09 16:07:11 |
| R90.htm | 33598 | 2025-05-09 16:07:11 |
| R91.htm | 13563 | 2025-05-09 16:07:11 |
| R92.htm | 29810 | 2025-05-09 16:07:11 |
| R93.htm | 63028 | 2025-05-09 16:07:11 |
| R94.htm | 4845 | 2025-05-09 16:07:11 |
| R95.htm | 66912 | 2025-05-09 16:07:11 |
| report.css | 2768 | 2025-05-09 16:07:11 |
| Show.js | 1086 | 2025-05-09 16:07:11 |