Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000022356-18-000029-index-headers.html | 2018-05-07 13:51:16 | |
| 0000022356-18-000029-index.html | 2018-05-07 13:51:16 | |
| 0000022356-18-000029.txt | 2018-05-07 13:51:16 | |
 0000022356-18-000029-xbrl.zip | 431825 | 2018-05-07 13:51:16 |
| cbsh-20180331.xml | 4780522 | 2018-05-07 13:51:16 |
| cbsh-20180331.xsd | 128462 | 2018-05-07 13:51:16 |
| cbsh-20180331_cal.xml | 151877 | 2018-05-07 13:51:16 |
| cbsh-20180331_def.xml | 495983 | 2018-05-07 13:51:16 |
| cbsh-20180331_lab.xml | 1187686 | 2018-05-07 13:51:16 |
| cbsh-20180331_pre.xml | 726188 | 2018-05-07 13:51:16 |
| cbsh0331201810q.htm | 2753927 | 2018-05-07 13:51:16 |
| cbsh03312018ex311.htm | 10664 | 2018-05-07 13:51:16 |
| cbsh03312018ex312.htm | 10599 | 2018-05-07 13:51:16 |
| cbsh03312018ex32.htm | 9022 | 2018-05-07 13:51:16 |
| FilingSummary.xml | 68970 | 2018-05-07 13:51:16 |
| Financial_Report.xlsx | 146128 | 2018-05-07 13:51:16 |
| R1.htm | 20417 | 2018-05-07 13:51:16 |
| R10.htm | 12623 | 2018-05-07 13:51:16 |
| R11.htm | 386483 | 2018-05-07 13:51:16 |
| R12.htm | 261963 | 2018-05-07 13:51:16 |
| R13.htm | 61422 | 2018-05-07 13:51:16 |
| R14.htm | 10118 | 2018-05-07 13:51:16 |
| R15.htm | 20499 | 2018-05-07 13:51:16 |
| R16.htm | 39591 | 2018-05-07 13:51:16 |
| R17.htm | 56108 | 2018-05-07 13:51:16 |
| R18.htm | 62685 | 2018-05-07 13:51:16 |
| R19.htm | 132980 | 2018-05-07 13:51:16 |
| R2.htm | 95560 | 2018-05-07 13:51:16 |
| R20.htm | 77034 | 2018-05-07 13:51:16 |
| R21.htm | 36408 | 2018-05-07 13:51:16 |
| R22.htm | 126183 | 2018-05-07 13:51:16 |
| R23.htm | 233427 | 2018-05-07 13:51:16 |
| R24.htm | 196326 | 2018-05-07 13:51:16 |
| R25.htm | 5459 | 2018-05-07 13:51:16 |
| R26.htm | 389309 | 2018-05-07 13:51:16 |
| R27.htm | 259178 | 2018-05-07 13:51:16 |
| R28.htm | 63665 | 2018-05-07 13:51:16 |
| R29.htm | 19184 | 2018-05-07 13:51:16 |
| R3.htm | 23494 | 2018-05-07 13:51:16 |
| R30.htm | 38328 | 2018-05-07 13:51:16 |
| R31.htm | 53995 | 2018-05-07 13:51:16 |
| R32.htm | 58887 | 2018-05-07 13:51:16 |
| R33.htm | 131608 | 2018-05-07 13:51:16 |
| R34.htm | 74750 | 2018-05-07 13:51:16 |
| R35.htm | 37011 | 2018-05-07 13:51:16 |
| R36.htm | 118303 | 2018-05-07 13:51:16 |
| R37.htm | 234469 | 2018-05-07 13:51:16 |
| R38.htm | 191697 | 2018-05-07 13:51:16 |
| R39.htm | 26190 | 2018-05-07 13:51:16 |
| R4.htm | 109597 | 2018-05-07 13:51:16 |
| R40.htm | 22196 | 2018-05-07 13:51:16 |
| R41.htm | 23092 | 2018-05-07 13:51:16 |
| R42.htm | 17514 | 2018-05-07 13:51:16 |
| R43.htm | 8822 | 2018-05-07 13:51:16 |
| R44.htm | 44179 | 2018-05-07 13:51:16 |
| R45.htm | 14060 | 2018-05-07 13:51:16 |
| R46.htm | 20129 | 2018-05-07 13:51:16 |
| R47.htm | 52742 | 2018-05-07 13:51:16 |
| R48.htm | 34178 | 2018-05-07 13:51:16 |
| R49.htm | 46457 | 2018-05-07 13:51:16 |
| R5.htm | 24152 | 2018-05-07 13:51:16 |
| R50.htm | 27345 | 2018-05-07 13:51:16 |
| R51.htm | 15530 | 2018-05-07 13:51:16 |
| R52.htm | 46122 | 2018-05-07 13:51:16 |
| R53.htm | 18455 | 2018-05-07 13:51:16 |
| R54.htm | 52705 | 2018-05-07 13:51:16 |
| R55.htm | 37586 | 2018-05-07 13:51:16 |
| R56.htm | 12698 | 2018-05-07 13:51:16 |
| R57.htm | 13249 | 2018-05-07 13:51:16 |
| R58.htm | 53730 | 2018-05-07 13:51:16 |
| R59.htm | 33473 | 2018-05-07 13:51:16 |
| R6.htm | 41092 | 2018-05-07 13:51:16 |
| R60.htm | 5339 | 2018-05-07 13:51:16 |
| R61.htm | 17340 | 2018-05-07 13:51:16 |
| R62.htm | 13389 | 2018-05-07 13:51:16 |
| R63.htm | 20453 | 2018-05-07 13:51:16 |
| R64.htm | 11096 | 2018-05-07 13:51:16 |
| R65.htm | 23178 | 2018-05-07 13:51:16 |
| R66.htm | 7498 | 2018-05-07 13:51:16 |
| R67.htm | 15038 | 2018-05-07 13:51:16 |
| R68.htm | 35962 | 2018-05-07 13:51:16 |
| R69.htm | 5403 | 2018-05-07 13:51:16 |
| R7.htm | 6181 | 2018-05-07 13:51:16 |
| R70.htm | 49252 | 2018-05-07 13:51:16 |
| R71.htm | 8507 | 2018-05-07 13:51:16 |
| R72.htm | 38650 | 2018-05-07 13:51:16 |
| R73.htm | 6066 | 2018-05-07 13:51:16 |
| R74.htm | 18689 | 2018-05-07 13:51:16 |
| R75.htm | 26091 | 2018-05-07 13:51:16 |
| R76.htm | 20583 | 2018-05-07 13:51:16 |
| R77.htm | 53640 | 2018-05-07 13:51:16 |
| R78.htm | 8886 | 2018-05-07 13:51:16 |
| R79.htm | 38908 | 2018-05-07 13:51:16 |
| R8.htm | 95906 | 2018-05-07 13:51:16 |
| R80.htm | 49793 | 2018-05-07 13:51:16 |
| R81.htm | 16738 | 2018-05-07 13:51:16 |
| R82.htm | 17681 | 2018-05-07 13:51:16 |
| R83.htm | 14872 | 2018-05-07 13:51:16 |
| R84.htm | 28023 | 2018-05-07 13:51:16 |
| R85.htm | 4078 | 2018-05-07 13:51:16 |
| R86.htm | 22949 | 2018-05-07 13:51:16 |
| R87.htm | 19440 | 2018-05-07 13:51:16 |
| R88.htm | 13093 | 2018-05-07 13:51:16 |
| R89.htm | 26069 | 2018-05-07 13:51:16 |
| R9.htm | 6166 | 2018-05-07 13:51:16 |
| R90.htm | 13063 | 2018-05-07 13:51:16 |
| R91.htm | 14124 | 2018-05-07 13:51:16 |
| R92.htm | 11161 | 2018-05-07 13:51:16 |
| R93.htm | 8997 | 2018-05-07 13:51:16 |
| R94.htm | 62847 | 2018-05-07 13:51:16 |
| R95.htm | 38492 | 2018-05-07 13:51:16 |
| R96.htm | 14180 | 2018-05-07 13:51:16 |
| R97.htm | 30792 | 2018-05-07 13:51:16 |
| R98.htm | 27384 | 2018-05-07 13:51:16 |
| R99.htm | 150911 | 2018-05-07 13:51:16 |
| report.css | 2768 | 2018-05-07 13:51:16 |
| Show.js | 1411 | 2018-05-07 13:51:16 |