Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001015328-18-000119-index-headers.html | 2018-05-09 16:42:44 | |
| 0001015328-18-000119-index.html | 2018-05-09 16:42:44 | |
| 0001015328-18-000119.txt | 2018-05-09 16:42:44 | |
 0001015328-18-000119-xbrl.zip | 660529 | 2018-05-09 16:42:44 |
| exhibit3112018q1.htm | 11338 | 2018-05-09 16:42:44 |
| exhibit3122018q1.htm | 11547 | 2018-05-09 16:42:44 |
| exhibit3212018q1.htm | 7182 | 2018-05-09 16:42:44 |
| FilingSummary.xml | 70142 | 2018-05-09 16:42:44 |
| Financial_Report.xlsx | 211924 | 2018-05-09 16:42:44 |
| R1.htm | 23934 | 2018-05-09 16:42:44 |
| R10.htm | 24239 | 2018-05-09 16:42:44 |
| R11.htm | 5739 | 2018-05-09 16:42:44 |
| R12.htm | 364415 | 2018-05-09 16:42:44 |
| R13.htm | 95718 | 2018-05-09 16:42:44 |
| R14.htm | 1453145 | 2018-05-09 16:42:44 |
| R15.htm | 89347 | 2018-05-09 16:42:44 |
| R16.htm | 27334 | 2018-05-09 16:42:44 |
| R17.htm | 45124 | 2018-05-09 16:42:44 |
| R18.htm | 63024 | 2018-05-09 16:42:44 |
| R19.htm | 81065 | 2018-05-09 16:42:44 |
| R2.htm | 104435 | 2018-05-09 16:42:44 |
| R20.htm | 76991 | 2018-05-09 16:42:44 |
| R21.htm | 110761 | 2018-05-09 16:42:44 |
| R22.htm | 192382 | 2018-05-09 16:42:44 |
| R23.htm | 498596 | 2018-05-09 16:42:44 |
| R24.htm | 117105 | 2018-05-09 16:42:44 |
| R25.htm | 147793 | 2018-05-09 16:42:44 |
| R26.htm | 220828 | 2018-05-09 16:42:44 |
| R27.htm | 11404 | 2018-05-09 16:42:44 |
| R28.htm | 365487 | 2018-05-09 16:42:44 |
| R29.htm | 89898 | 2018-05-09 16:42:44 |
| R3.htm | 26080 | 2018-05-09 16:42:44 |
| R30.htm | 1445158 | 2018-05-09 16:42:44 |
| R31.htm | 137694 | 2018-05-09 16:42:44 |
| R32.htm | 25322 | 2018-05-09 16:42:44 |
| R33.htm | 42675 | 2018-05-09 16:42:44 |
| R34.htm | 41460 | 2018-05-09 16:42:44 |
| R35.htm | 73242 | 2018-05-09 16:42:44 |
| R36.htm | 65214 | 2018-05-09 16:42:44 |
| R37.htm | 107667 | 2018-05-09 16:42:44 |
| R38.htm | 227071 | 2018-05-09 16:42:44 |
| R39.htm | 474200 | 2018-05-09 16:42:44 |
| R4.htm | 116907 | 2018-05-09 16:42:44 |
| R40.htm | 106899 | 2018-05-09 16:42:44 |
| R41.htm | 139747 | 2018-05-09 16:42:44 |
| R42.htm | 31026 | 2018-05-09 16:42:44 |
| R43.htm | 29691 | 2018-05-09 16:42:44 |
| R44.htm | 11732 | 2018-05-09 16:42:44 |
| R45.htm | 64963 | 2018-05-09 16:42:44 |
| R46.htm | 64111 | 2018-05-09 16:42:44 |
| R47.htm | 32904 | 2018-05-09 16:42:44 |
| R48.htm | 52015 | 2018-05-09 16:42:44 |
| R49.htm | 14573 | 2018-05-09 16:42:44 |
| R5.htm | 58780 | 2018-05-09 16:42:44 |
| R50.htm | 33475 | 2018-05-09 16:42:44 |
| R51.htm | 8052 | 2018-05-09 16:42:44 |
| R52.htm | 17501 | 2018-05-09 16:42:44 |
| R53.htm | 13295 | 2018-05-09 16:42:44 |
| R54.htm | 172944 | 2018-05-09 16:42:44 |
| R55.htm | 119970 | 2018-05-09 16:42:44 |
| R56.htm | 85481 | 2018-05-09 16:42:44 |
| R57.htm | 15970 | 2018-05-09 16:42:44 |
| R58.htm | 15627 | 2018-05-09 16:42:44 |
| R59.htm | 120015 | 2018-05-09 16:42:44 |
| R6.htm | 39960 | 2018-05-09 16:42:44 |
| R60.htm | 28799 | 2018-05-09 16:42:44 |
| R61.htm | 72215 | 2018-05-09 16:42:44 |
| R62.htm | 36405 | 2018-05-09 16:42:44 |
| R63.htm | 21643 | 2018-05-09 16:42:44 |
| R64.htm | 23600 | 2018-05-09 16:42:44 |
| R65.htm | 28397 | 2018-05-09 16:42:44 |
| R66.htm | 16337 | 2018-05-09 16:42:44 |
| R67.htm | 17048 | 2018-05-09 16:42:44 |
| R68.htm | 30510 | 2018-05-09 16:42:44 |
| R69.htm | 23912 | 2018-05-09 16:42:44 |
| R7.htm | 109412 | 2018-05-09 16:42:44 |
| R70.htm | 75809 | 2018-05-09 16:42:44 |
| R71.htm | 21303 | 2018-05-09 16:42:44 |
| R72.htm | 22241 | 2018-05-09 16:42:44 |
| R73.htm | 68528 | 2018-05-09 16:42:44 |
| R74.htm | 24554 | 2018-05-09 16:42:44 |
| R75.htm | 15995 | 2018-05-09 16:42:44 |
| R76.htm | 4932 | 2018-05-09 16:42:44 |
| R77.htm | 21825 | 2018-05-09 16:42:44 |
| R78.htm | 7882 | 2018-05-09 16:42:44 |
| R79.htm | 77977 | 2018-05-09 16:42:44 |
| R8.htm | 8772 | 2018-05-09 16:42:44 |
| R80.htm | 31961 | 2018-05-09 16:42:44 |
| R81.htm | 32995 | 2018-05-09 16:42:44 |
| R82.htm | 28400 | 2018-05-09 16:42:44 |
| R83.htm | 10997 | 2018-05-09 16:42:44 |
| R84.htm | 12967 | 2018-05-09 16:42:44 |
| R85.htm | 15749 | 2018-05-09 16:42:44 |
| R86.htm | 42324 | 2018-05-09 16:42:44 |
| R87.htm | 91091 | 2018-05-09 16:42:44 |
| R88.htm | 85122 | 2018-05-09 16:42:44 |
| R89.htm | 42683 | 2018-05-09 16:42:44 |
| R9.htm | 42033 | 2018-05-09 16:42:44 |
| R90.htm | 26397 | 2018-05-09 16:42:44 |
| R91.htm | 123592 | 2018-05-09 16:42:44 |
| R92.htm | 85100 | 2018-05-09 16:42:44 |
| R93.htm | 41854 | 2018-05-09 16:42:44 |
| R94.htm | 36573 | 2018-05-09 16:42:44 |
| R95.htm | 37753 | 2018-05-09 16:42:44 |
| R96.htm | 50323 | 2018-05-09 16:42:44 |
| R97.htm | 25696 | 2018-05-09 16:42:44 |
| R98.htm | 34913 | 2018-05-09 16:42:44 |
| R99.htm | 53717 | 2018-05-09 16:42:44 |
| report.css | 2768 | 2018-05-09 16:42:44 |
| Show.js | 1411 | 2018-05-09 16:42:44 |
| wtfc-20180331.xml | 9689651 | 2018-05-09 16:42:44 |
| wtfc-20180331.xsd | 115652 | 2018-05-09 16:42:44 |
| wtfc-20180331x10q.htm | 5576116 | 2018-05-09 16:42:44 |
| wtfc-20180331_cal.xml | 230442 | 2018-05-09 16:42:44 |
| wtfc-20180331_def.xml | 702860 | 2018-05-09 16:42:44 |
| wtfc-20180331_lab.xml | 1510741 | 2018-05-09 16:42:44 |
| wtfc-20180331_pre.xml | 994091 | 2018-05-09 16:42:44 |