Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001015328-19-000055-index-headers.html | 2019-02-28 17:27:07 | |
| 0001015328-19-000055-index.html | 2019-02-28 17:27:07 | |
| 0001015328-19-000055.txt | 2019-02-28 17:27:07 | |
 0001015328-19-000055-xbrl.zip | 885894 | 2019-02-28 17:27:07 |
 chart-c19fabab8ca85a349c3.jpg | 66901 | 2019-02-28 17:27:07 |
| exhibit211subsidiaries1231.htm | 29517 | 2019-02-28 17:27:07 |
| exhibit231consentofindepen.htm | 3935 | 2019-02-28 17:27:07 |
| exhibit311executivesignoff.htm | 12903 | 2019-02-28 17:27:07 |
| exhibit312executivesignoff.htm | 12801 | 2019-02-28 17:27:07 |
| exhibit321sox2018.htm | 9153 | 2019-02-28 17:27:07 |
| FilingSummary.xml | 101410 | 2019-02-28 17:27:07 |
| Financial_Report.xlsx | 296418 | 2019-02-28 17:27:07 |
| R1.htm | 35609 | 2019-02-28 17:27:07 |
| R10.htm | 404745 | 2019-02-28 17:27:07 |
| R100.htm | 63132 | 2019-02-28 17:27:07 |
| R101.htm | 31495 | 2019-02-28 17:27:07 |
| R102.htm | 24508 | 2019-02-28 17:27:07 |
| R103.htm | 16931 | 2019-02-28 17:27:07 |
| R104.htm | 22071 | 2019-02-28 17:27:07 |
| R105.htm | 6328 | 2019-02-28 17:27:07 |
| R106.htm | 34604 | 2019-02-28 17:27:07 |
| R107.htm | 6622 | 2019-02-28 17:27:07 |
| R108.htm | 31708 | 2019-02-28 17:27:07 |
| R109.htm | 44349 | 2019-02-28 17:27:07 |
| R11.htm | 95617 | 2019-02-28 17:27:07 |
| R110.htm | 52284 | 2019-02-28 17:27:07 |
| R111.htm | 12062 | 2019-02-28 17:27:07 |
| R112.htm | 28906 | 2019-02-28 17:27:07 |
| R113.htm | 11205 | 2019-02-28 17:27:07 |
| R114.htm | 49035 | 2019-02-28 17:27:07 |
| R115.htm | 38962 | 2019-02-28 17:27:07 |
| R116.htm | 112075 | 2019-02-28 17:27:07 |
| R117.htm | 10885 | 2019-02-28 17:27:07 |
| R118.htm | 153040 | 2019-02-28 17:27:07 |
| R119.htm | 29455 | 2019-02-28 17:27:07 |
| R12.htm | 1403141 | 2019-02-28 17:27:07 |
| R120.htm | 46070 | 2019-02-28 17:27:07 |
| R121.htm | 29420 | 2019-02-28 17:27:07 |
| R122.htm | 17314 | 2019-02-28 17:27:07 |
| R123.htm | 13896 | 2019-02-28 17:27:07 |
| R124.htm | 19558 | 2019-02-28 17:27:07 |
| R125.htm | 16084 | 2019-02-28 17:27:07 |
| R126.htm | 38601 | 2019-02-28 17:27:07 |
| R127.htm | 49717 | 2019-02-28 17:27:07 |
| R128.htm | 84238 | 2019-02-28 17:27:07 |
| R129.htm | 39131 | 2019-02-28 17:27:07 |
| R13.htm | 35287 | 2019-02-28 17:27:07 |
| R130.htm | 26438 | 2019-02-28 17:27:07 |
| R131.htm | 112855 | 2019-02-28 17:27:07 |
| R132.htm | 80710 | 2019-02-28 17:27:07 |
| R133.htm | 99076 | 2019-02-28 17:27:07 |
| R134.htm | 23045 | 2019-02-28 17:27:07 |
| R135.htm | 49022 | 2019-02-28 17:27:07 |
| R136.htm | 36514 | 2019-02-28 17:27:07 |
| R137.htm | 68082 | 2019-02-28 17:27:07 |
| R138.htm | 60663 | 2019-02-28 17:27:07 |
| R139.htm | 8886 | 2019-02-28 17:27:07 |
| R14.htm | 34703 | 2019-02-28 17:27:07 |
| R140.htm | 49989 | 2019-02-28 17:27:07 |
| R141.htm | 44069 | 2019-02-28 17:27:07 |
| R142.htm | 91613 | 2019-02-28 17:27:07 |
| R143.htm | 42583 | 2019-02-28 17:27:07 |
| R144.htm | 52604 | 2019-02-28 17:27:07 |
| R145.htm | 25475 | 2019-02-28 17:27:07 |
| R15.htm | 77383 | 2019-02-28 17:27:07 |
| R16.htm | 23819 | 2019-02-28 17:27:07 |
| R17.htm | 68534 | 2019-02-28 17:27:07 |
| R18.htm | 35532 | 2019-02-28 17:27:07 |
| R19.htm | 7154 | 2019-02-28 17:27:07 |
| R2.htm | 94009 | 2019-02-28 17:27:07 |
| R20.htm | 43632 | 2019-02-28 17:27:07 |
| R21.htm | 97802 | 2019-02-28 17:27:07 |
| R22.htm | 79210 | 2019-02-28 17:27:07 |
| R23.htm | 22239 | 2019-02-28 17:27:07 |
| R24.htm | 157462 | 2019-02-28 17:27:07 |
| R25.htm | 195427 | 2019-02-28 17:27:07 |
| R26.htm | 453591 | 2019-02-28 17:27:07 |
| R27.htm | 25641 | 2019-02-28 17:27:07 |
| R28.htm | 177374 | 2019-02-28 17:27:07 |
| R29.htm | 420949 | 2019-02-28 17:27:07 |
| R3.htm | 22347 | 2019-02-28 17:27:07 |
| R30.htm | 164290 | 2019-02-28 17:27:07 |
| R31.htm | 139116 | 2019-02-28 17:27:07 |
| R32.htm | 163928 | 2019-02-28 17:27:07 |
| R33.htm | 55029 | 2019-02-28 17:27:07 |
| R34.htm | 123934 | 2019-02-28 17:27:07 |
| R35.htm | 6649 | 2019-02-28 17:27:07 |
| R36.htm | 332277 | 2019-02-28 17:27:07 |
| R37.htm | 572400 | 2019-02-28 17:27:07 |
| R38.htm | 90075 | 2019-02-28 17:27:07 |
| R39.htm | 1390393 | 2019-02-28 17:27:07 |
| R4.htm | 121711 | 2019-02-28 17:27:07 |
| R40.htm | 33213 | 2019-02-28 17:27:07 |
| R41.htm | 14010 | 2019-02-28 17:27:07 |
| R42.htm | 77945 | 2019-02-28 17:27:07 |
| R43.htm | 22651 | 2019-02-28 17:27:07 |
| R44.htm | 68374 | 2019-02-28 17:27:07 |
| R45.htm | 31270 | 2019-02-28 17:27:07 |
| R46.htm | 29650 | 2019-02-28 17:27:07 |
| R47.htm | 89767 | 2019-02-28 17:27:07 |
| R48.htm | 67476 | 2019-02-28 17:27:07 |
| R49.htm | 20502 | 2019-02-28 17:27:07 |
| R5.htm | 62045 | 2019-02-28 17:27:07 |
| R50.htm | 155352 | 2019-02-28 17:27:07 |
| R51.htm | 166559 | 2019-02-28 17:27:07 |
| R52.htm | 444103 | 2019-02-28 17:27:07 |
| R53.htm | 161494 | 2019-02-28 17:27:07 |
| R54.htm | 396592 | 2019-02-28 17:27:07 |
| R55.htm | 161858 | 2019-02-28 17:27:07 |
| R56.htm | 136032 | 2019-02-28 17:27:07 |
| R57.htm | 166262 | 2019-02-28 17:27:07 |
| R58.htm | 53820 | 2019-02-28 17:27:07 |
| R59.htm | 123688 | 2019-02-28 17:27:07 |
| R6.htm | 69881 | 2019-02-28 17:27:07 |
| R60.htm | 47384 | 2019-02-28 17:27:07 |
| R61.htm | 9732 | 2019-02-28 17:27:07 |
| R62.htm | 58102 | 2019-02-28 17:27:07 |
| R63.htm | 72508 | 2019-02-28 17:27:07 |
| R64.htm | 39086 | 2019-02-28 17:27:07 |
| R65.htm | 71243 | 2019-02-28 17:27:07 |
| R66.htm | 24436 | 2019-02-28 17:27:07 |
| R67.htm | 24710 | 2019-02-28 17:27:07 |
| R68.htm | 8030 | 2019-02-28 17:27:07 |
| R69.htm | 22811 | 2019-02-28 17:27:07 |
| R7.htm | 146154 | 2019-02-28 17:27:07 |
| R70.htm | 17092 | 2019-02-28 17:27:07 |
| R71.htm | 22198 | 2019-02-28 17:27:07 |
| R72.htm | 140821 | 2019-02-28 17:27:07 |
| R73.htm | 109152 | 2019-02-28 17:27:07 |
| R74.htm | 95896 | 2019-02-28 17:27:07 |
| R75.htm | 17770 | 2019-02-28 17:27:07 |
| R76.htm | 17382 | 2019-02-28 17:27:07 |
| R77.htm | 114815 | 2019-02-28 17:27:07 |
| R78.htm | 94689 | 2019-02-28 17:27:07 |
| R79.htm | 41773 | 2019-02-28 17:27:07 |
| R8.htm | 101501 | 2019-02-28 17:27:07 |
| R80.htm | 33578 | 2019-02-28 17:27:07 |
| R81.htm | 17723 | 2019-02-28 17:27:07 |
| R82.htm | 75353 | 2019-02-28 17:27:07 |
| R83.htm | 12054 | 2019-02-28 17:27:07 |
| R84.htm | 21338 | 2019-02-28 17:27:07 |
| R85.htm | 27839 | 2019-02-28 17:27:07 |
| R86.htm | 13480 | 2019-02-28 17:27:07 |
| R87.htm | 27001 | 2019-02-28 17:27:07 |
| R88.htm | 19001 | 2019-02-28 17:27:07 |
| R89.htm | 4954 | 2019-02-28 17:27:07 |
| R9.htm | 27177 | 2019-02-28 17:27:07 |
| R90.htm | 27367 | 2019-02-28 17:27:07 |
| R91.htm | 16893 | 2019-02-28 17:27:07 |
| R92.htm | 12074 | 2019-02-28 17:27:07 |
| R93.htm | 4035 | 2019-02-28 17:27:07 |
| R94.htm | 37723 | 2019-02-28 17:27:07 |
| R95.htm | 12592 | 2019-02-28 17:27:07 |
| R96.htm | 17710 | 2019-02-28 17:27:07 |
| R97.htm | 15324 | 2019-02-28 17:27:07 |
| R98.htm | 18328 | 2019-02-28 17:27:07 |
| R99.htm | 83497 | 2019-02-28 17:27:07 |
| report.css | 2768 | 2019-02-28 17:27:07 |
| Show.js | 1086 | 2019-02-28 17:27:07 |
| wtfc-201810xk.htm | 9444364 | 2019-02-28 17:27:07 |
| wtfc-20181231.xml | 12563379 | 2019-02-28 17:27:07 |
| wtfc-20181231.xsd | 154585 | 2019-02-28 17:27:07 |
| wtfc-20181231_cal.xml | 307200 | 2019-02-28 17:27:07 |
| wtfc-20181231_def.xml | 952637 | 2019-02-28 17:27:07 |
| wtfc-20181231_lab.xml | 2048844 | 2019-02-28 17:27:07 |
| wtfc-20181231_pre.xml | 1348048 | 2019-02-28 17:27:07 |