Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-26-010336-index-headers.html | 2026-02-20 18:13:39 | |
| 0001628280-26-010336-index.html | 2026-02-20 18:13:39 | |
| 0001628280-26-010336.txt | 2026-02-20 18:13:39 | |
 0001628280-26-010336-xbrl.zip | 856742 | 2026-02-20 18:13:39 |
| ex211listofsubsidiaries123.htm | 30599 | 2026-02-20 18:13:39 |
| ex231consent12312025.htm | 2658 | 2026-02-20 18:13:39 |
| FilingSummary.xml | 90378 | 2026-02-20 18:13:39 |
| MetaLinks.json | 2064282 | 2026-02-20 18:13:39 |
| R1.htm | 69725 | 2026-02-20 18:13:39 |
| R10.htm | 4355 | 2026-02-20 18:13:39 |
| R100.htm | 27242 | 2026-02-20 18:13:39 |
| R101.htm | 35754 | 2026-02-20 18:13:39 |
| R102.htm | 17965 | 2026-02-20 18:13:39 |
| R103.htm | 37570 | 2026-02-20 18:13:39 |
| R104.htm | 34806 | 2026-02-20 18:13:39 |
| R105.htm | 29194 | 2026-02-20 18:13:39 |
| R106.htm | 152793 | 2026-02-20 18:13:39 |
| R107.htm | 25068 | 2026-02-20 18:13:39 |
| R108.htm | 53846 | 2026-02-20 18:13:39 |
| R109.htm | 34235 | 2026-02-20 18:13:39 |
| R11.htm | 151651 | 2026-02-20 18:13:39 |
| R110.htm | 32178 | 2026-02-20 18:13:39 |
| R111.htm | 30775 | 2026-02-20 18:13:39 |
| R112.htm | 21684 | 2026-02-20 18:13:39 |
| R113.htm | 65347 | 2026-02-20 18:13:39 |
| R114.htm | 90197 | 2026-02-20 18:13:39 |
| R115.htm | 26746 | 2026-02-20 18:13:39 |
| R116.htm | 33333 | 2026-02-20 18:13:39 |
| R117.htm | 32035 | 2026-02-20 18:13:39 |
| R118.htm | 77426 | 2026-02-20 18:13:39 |
| R119.htm | 20491 | 2026-02-20 18:13:39 |
| R12.htm | 402373 | 2026-02-20 18:13:39 |
| R120.htm | 46372 | 2026-02-20 18:13:39 |
| R121.htm | 33185 | 2026-02-20 18:13:39 |
| R122.htm | 12427 | 2026-02-20 18:13:39 |
| R123.htm | 24297 | 2026-02-20 18:13:39 |
| R124.htm | 14222 | 2026-02-20 18:13:39 |
| R125.htm | 26104 | 2026-02-20 18:13:39 |
| R126.htm | 32851 | 2026-02-20 18:13:39 |
| R127.htm | 11846 | 2026-02-20 18:13:39 |
| R128.htm | 150375 | 2026-02-20 18:13:39 |
| R129.htm | 25895 | 2026-02-20 18:13:39 |
| R13.htm | 1303615 | 2026-02-20 18:13:39 |
| R130.htm | 31776 | 2026-02-20 18:13:39 |
| R131.htm | 76385 | 2026-02-20 18:13:39 |
| R132.htm | 22218 | 2026-02-20 18:13:39 |
| R133.htm | 17616 | 2026-02-20 18:13:39 |
| R134.htm | 112947 | 2026-02-20 18:13:39 |
| R135.htm | 41151 | 2026-02-20 18:13:39 |
| R136.htm | 25848 | 2026-02-20 18:13:39 |
| R137.htm | 38925 | 2026-02-20 18:13:39 |
| R138.htm | 58318 | 2026-02-20 18:13:39 |
| R139.htm | 69265 | 2026-02-20 18:13:39 |
| R14.htm | 1303667 | 2026-02-20 18:13:39 |
| R140.htm | 59207 | 2026-02-20 18:13:39 |
| R141.htm | 166586 | 2026-02-20 18:13:39 |
| R142.htm | 22338 | 2026-02-20 18:13:39 |
| R15.htm | 40073 | 2026-02-20 18:13:39 |
| R16.htm | 20146 | 2026-02-20 18:13:39 |
| R17.htm | 5767 | 2026-02-20 18:13:39 |
| R18.htm | 22632 | 2026-02-20 18:13:39 |
| R19.htm | 58623 | 2026-02-20 18:13:39 |
| R2.htm | 7761 | 2026-02-20 18:13:39 |
| R20.htm | 37628 | 2026-02-20 18:13:39 |
| R21.htm | 82202 | 2026-02-20 18:13:39 |
| R22.htm | 32529 | 2026-02-20 18:13:39 |
| R23.htm | 41268 | 2026-02-20 18:13:39 |
| R24.htm | 61718 | 2026-02-20 18:13:39 |
| R25.htm | 281003 | 2026-02-20 18:13:39 |
| R26.htm | 20862 | 2026-02-20 18:13:39 |
| R27.htm | 117030 | 2026-02-20 18:13:39 |
| R28.htm | 39513 | 2026-02-20 18:13:39 |
| R29.htm | 371071 | 2026-02-20 18:13:39 |
| R3.htm | 144235 | 2026-02-20 18:13:39 |
| R30.htm | 46468 | 2026-02-20 18:13:39 |
| R31.htm | 6748 | 2026-02-20 18:13:39 |
| R32.htm | 20095 | 2026-02-20 18:13:39 |
| R33.htm | 95846 | 2026-02-20 18:13:39 |
| R34.htm | 190390 | 2026-02-20 18:13:39 |
| R35.htm | 20194 | 2026-02-20 18:13:39 |
| R36.htm | 8465 | 2026-02-20 18:13:39 |
| R37.htm | 4371 | 2026-02-20 18:13:39 |
| R38.htm | 49412 | 2026-02-20 18:13:39 |
| R39.htm | 234097 | 2026-02-20 18:13:39 |
| R4.htm | 39871 | 2026-02-20 18:13:39 |
| R40.htm | 22213 | 2026-02-20 18:13:39 |
| R41.htm | 400691 | 2026-02-20 18:13:39 |
| R42.htm | 34577 | 2026-02-20 18:13:39 |
| R43.htm | 1274144 | 2026-02-20 18:13:39 |
| R44.htm | 32011 | 2026-02-20 18:13:39 |
| R45.htm | 22224 | 2026-02-20 18:13:39 |
| R46.htm | 29821 | 2026-02-20 18:13:39 |
| R47.htm | 61679 | 2026-02-20 18:13:39 |
| R48.htm | 37564 | 2026-02-20 18:13:39 |
| R49.htm | 92572 | 2026-02-20 18:13:39 |
| R5.htm | 157597 | 2026-02-20 18:13:39 |
| R50.htm | 92571 | 2026-02-20 18:13:39 |
| R51.htm | 20929 | 2026-02-20 18:13:39 |
| R52.htm | 62772 | 2026-02-20 18:13:39 |
| R53.htm | 267707 | 2026-02-20 18:13:39 |
| R54.htm | 19884 | 2026-02-20 18:13:39 |
| R55.htm | 120378 | 2026-02-20 18:13:39 |
| R56.htm | 34834 | 2026-02-20 18:13:39 |
| R57.htm | 358513 | 2026-02-20 18:13:39 |
| R58.htm | 41000 | 2026-02-20 18:13:39 |
| R59.htm | 13949 | 2026-02-20 18:13:39 |
| R6.htm | 46323 | 2026-02-20 18:13:39 |
| R60.htm | 98894 | 2026-02-20 18:13:39 |
| R61.htm | 176699 | 2026-02-20 18:13:39 |
| R62.htm | 16993 | 2026-02-20 18:13:39 |
| R63.htm | 42286 | 2026-02-20 18:13:39 |
| R64.htm | 16341 | 2026-02-20 18:13:39 |
| R65.htm | 54019 | 2026-02-20 18:13:39 |
| R66.htm | 40907 | 2026-02-20 18:13:39 |
| R67.htm | 52262 | 2026-02-20 18:13:39 |
| R68.htm | 12230 | 2026-02-20 18:13:39 |
| R69.htm | 14308 | 2026-02-20 18:13:39 |
| R7.htm | 15940 | 2026-02-20 18:13:39 |
| R70.htm | 136280 | 2026-02-20 18:13:39 |
| R71.htm | 72728 | 2026-02-20 18:13:39 |
| R72.htm | 16332 | 2026-02-20 18:13:39 |
| R73.htm | 18166 | 2026-02-20 18:13:39 |
| R74.htm | 23613 | 2026-02-20 18:13:39 |
| R75.htm | 43291 | 2026-02-20 18:13:39 |
| R76.htm | 42640 | 2026-02-20 18:13:39 |
| R77.htm | 49204 | 2026-02-20 18:13:39 |
| R78.htm | 166006 | 2026-02-20 18:13:39 |
| R79.htm | 294537 | 2026-02-20 18:13:39 |
| R8.htm | 88762 | 2026-02-20 18:13:39 |
| R80.htm | 82642 | 2026-02-20 18:13:39 |
| R81.htm | 41999 | 2026-02-20 18:13:39 |
| R82.htm | 59208 | 2026-02-20 18:13:39 |
| R83.htm | 71214 | 2026-02-20 18:13:39 |
| R84.htm | 19957 | 2026-02-20 18:13:39 |
| R85.htm | 14662 | 2026-02-20 18:13:39 |
| R86.htm | 22442 | 2026-02-20 18:13:39 |
| R87.htm | 27052 | 2026-02-20 18:13:39 |
| R88.htm | 27780 | 2026-02-20 18:13:39 |
| R89.htm | 23925 | 2026-02-20 18:13:39 |
| R9.htm | 164775 | 2026-02-20 18:13:39 |
| R90.htm | 26295 | 2026-02-20 18:13:39 |
| R91.htm | 7103 | 2026-02-20 18:13:39 |
| R92.htm | 17077 | 2026-02-20 18:13:39 |
| R93.htm | 14688 | 2026-02-20 18:13:39 |
| R94.htm | 36064 | 2026-02-20 18:13:39 |
| R95.htm | 20584 | 2026-02-20 18:13:39 |
| R96.htm | 15270 | 2026-02-20 18:13:39 |
| R97.htm | 13858 | 2026-02-20 18:13:39 |
| R98.htm | 7397 | 2026-02-20 18:13:39 |
| R99.htm | 13705 | 2026-02-20 18:13:39 |
| report.css | 2768 | 2026-02-20 18:13:39 |
| Show.js | 1086 | 2026-02-20 18:13:39 |
| wal-20251231.htm | 7412991 | 2026-02-20 18:13:39 |
| wal-20251231.xsd | 132474 | 2026-02-20 18:13:39 |
| wal-20251231_cal.xml | 209231 | 2026-02-20 18:13:39 |
| wal-20251231_def.xml | 862836 | 2026-02-20 18:13:39 |
 wal-20251231_g1.jpg | 107375 | 2026-02-20 18:13:39 |
| wal-20251231_htm.xml | 9055614 | 2026-02-20 18:13:39 |
| wal-20251231_lab.xml | 1581803 | 2026-02-20 18:13:39 |
| wal-20251231_pre.xml | 1285512 | 2026-02-20 18:13:39 |
| walex31112312025.htm | 11377 | 2026-02-20 18:13:39 |
| walex31212312025.htm | 12431 | 2026-02-20 18:13:39 |
| walex32112312025.htm | 9732 | 2026-02-20 18:13:39 |