Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000811808-21-000043-index-headers.html | 2021-11-04 15:43:29 | |
| 0000811808-21-000043-index.html | 2021-11-04 15:43:29 | |
| 0000811808-21-000043.txt | 2021-11-04 15:43:29 | |
 0000811808-21-000043-xbrl.zip | 720682 | 2021-11-04 15:43:29 |
| FilingSummary.xml | 64704 | 2021-11-04 15:43:29 |
| Financial_Report.xlsx | 201833 | 2021-11-04 15:43:29 |
| MetaLinks.json | 1103411 | 2021-11-04 15:43:29 |
| R1.htm | 52189 | 2021-11-04 15:43:29 |
| R10.htm | 4819 | 2021-11-04 15:43:29 |
| R11.htm | 19083 | 2021-11-04 15:43:29 |
| R12.htm | 18830 | 2021-11-04 15:43:29 |
| R13.htm | 10957 | 2021-11-04 15:43:29 |
| R14.htm | 16710 | 2021-11-04 15:43:29 |
| R15.htm | 7052 | 2021-11-04 15:43:29 |
| R16.htm | 9713 | 2021-11-04 15:43:29 |
| R17.htm | 240067 | 2021-11-04 15:43:29 |
| R18.htm | 62943 | 2021-11-04 15:43:29 |
| R19.htm | 372395 | 2021-11-04 15:43:29 |
| R2.htm | 109007 | 2021-11-04 15:43:29 |
| R20.htm | 1553147 | 2021-11-04 15:43:29 |
| R21.htm | 30514 | 2021-11-04 15:43:29 |
| R22.htm | 51680 | 2021-11-04 15:43:29 |
| R23.htm | 61131 | 2021-11-04 15:43:29 |
| R24.htm | 15833 | 2021-11-04 15:43:29 |
| R25.htm | 4644 | 2021-11-04 15:43:29 |
| R26.htm | 80511 | 2021-11-04 15:43:29 |
| R27.htm | 50751 | 2021-11-04 15:43:29 |
| R28.htm | 39668 | 2021-11-04 15:43:29 |
| R29.htm | 83981 | 2021-11-04 15:43:29 |
| R3.htm | 17961 | 2021-11-04 15:43:29 |
| R30.htm | 46938 | 2021-11-04 15:43:29 |
| R31.htm | 29098 | 2021-11-04 15:43:29 |
| R32.htm | 243975 | 2021-11-04 15:43:29 |
| R33.htm | 61647 | 2021-11-04 15:43:29 |
| R34.htm | 382904 | 2021-11-04 15:43:29 |
| R35.htm | 1561157 | 2021-11-04 15:43:29 |
| R36.htm | 32563 | 2021-11-04 15:43:29 |
| R37.htm | 49509 | 2021-11-04 15:43:29 |
| R38.htm | 61926 | 2021-11-04 15:43:29 |
| R39.htm | 10060 | 2021-11-04 15:43:29 |
| R4.htm | 122086 | 2021-11-04 15:43:29 |
| R40.htm | 75576 | 2021-11-04 15:43:29 |
| R41.htm | 44963 | 2021-11-04 15:43:29 |
| R42.htm | 37226 | 2021-11-04 15:43:29 |
| R43.htm | 83443 | 2021-11-04 15:43:29 |
| R44.htm | 47199 | 2021-11-04 15:43:29 |
| R45.htm | 24855 | 2021-11-04 15:43:29 |
| R46.htm | 85327 | 2021-11-04 15:43:29 |
| R47.htm | 44515 | 2021-11-04 15:43:29 |
| R48.htm | 84590 | 2021-11-04 15:43:29 |
| R49.htm | 48069 | 2021-11-04 15:43:29 |
| R5.htm | 25529 | 2021-11-04 15:43:29 |
| R50.htm | 10858 | 2021-11-04 15:43:29 |
| R51.htm | 78338 | 2021-11-04 15:43:29 |
| R52.htm | 36098 | 2021-11-04 15:43:29 |
| R53.htm | 30119 | 2021-11-04 15:43:29 |
| R54.htm | 13775 | 2021-11-04 15:43:29 |
| R55.htm | 20532 | 2021-11-04 15:43:29 |
| R56.htm | 84983 | 2021-11-04 15:43:29 |
| R57.htm | 29275 | 2021-11-04 15:43:29 |
| R58.htm | 28099 | 2021-11-04 15:43:29 |
| R59.htm | 31696 | 2021-11-04 15:43:29 |
| R6.htm | 17926 | 2021-11-04 15:43:29 |
| R60.htm | 20855 | 2021-11-04 15:43:29 |
| R61.htm | 28212 | 2021-11-04 15:43:29 |
| R62.htm | 59341 | 2021-11-04 15:43:29 |
| R63.htm | 141649 | 2021-11-04 15:43:29 |
| R64.htm | 110879 | 2021-11-04 15:43:29 |
| R65.htm | 139259 | 2021-11-04 15:43:29 |
| R66.htm | 140056 | 2021-11-04 15:43:29 |
| R67.htm | 56771 | 2021-11-04 15:43:29 |
| R68.htm | 346918 | 2021-11-04 15:43:29 |
| R69.htm | 20324 | 2021-11-04 15:43:29 |
| R7.htm | 93942 | 2021-11-04 15:43:29 |
| R70.htm | 13861 | 2021-11-04 15:43:29 |
| R71.htm | 371839 | 2021-11-04 15:43:29 |
| R72.htm | 10932 | 2021-11-04 15:43:29 |
| R73.htm | 10302 | 2021-11-04 15:43:29 |
| R74.htm | 5158 | 2021-11-04 15:43:29 |
| R75.htm | 16799 | 2021-11-04 15:43:29 |
| R76.htm | 6332 | 2021-11-04 15:43:29 |
| R77.htm | 20248 | 2021-11-04 15:43:29 |
| R78.htm | 10816 | 2021-11-04 15:43:29 |
| R79.htm | 11663 | 2021-11-04 15:43:29 |
| R8.htm | 17292 | 2021-11-04 15:43:29 |
| R80.htm | 28005 | 2021-11-04 15:43:29 |
| R81.htm | 16026 | 2021-11-04 15:43:29 |
| R82.htm | 41186 | 2021-11-04 15:43:29 |
| R83.htm | 47150 | 2021-11-04 15:43:29 |
| R84.htm | 25737 | 2021-11-04 15:43:29 |
| R85.htm | 16509 | 2021-11-04 15:43:29 |
| R86.htm | 12128 | 2021-11-04 15:43:29 |
| R87.htm | 9959 | 2021-11-04 15:43:29 |
| R88.htm | 13834 | 2021-11-04 15:43:29 |
| R89.htm | 59444 | 2021-11-04 15:43:29 |
| R9.htm | 142084 | 2021-11-04 15:43:29 |
| R90.htm | 33968 | 2021-11-04 15:43:29 |
| R91.htm | 35414 | 2021-11-04 15:43:29 |
| R92.htm | 21091 | 2021-11-04 15:43:29 |
| R93.htm | 67332 | 2021-11-04 15:43:29 |
| R94.htm | 45294 | 2021-11-04 15:43:29 |
| R95.htm | 8837 | 2021-11-04 15:43:29 |
| R96.htm | 17199 | 2021-11-04 15:43:29 |
| R97.htm | 25843 | 2021-11-04 15:43:29 |
| R98.htm | 29478 | 2021-11-04 15:43:29 |
| report.css | 2768 | 2021-11-04 15:43:29 |
| Show.js | 1086 | 2021-11-04 15:43:29 |
| smmf-20210930.htm | 7254130 | 2021-11-04 15:43:29 |
| smmf-20210930.xsd | 93689 | 2021-11-04 15:43:29 |
| smmf-20210930xexh311.htm | 12014 | 2021-11-04 15:43:29 |
| smmf-20210930xexh312.htm | 11779 | 2021-11-04 15:43:29 |
| smmf-20210930xexh321.htm | 6630 | 2021-11-04 15:43:29 |
| smmf-20210930xexh322.htm | 7009 | 2021-11-04 15:43:29 |
| smmf-20210930_cal.xml | 144108 | 2021-11-04 15:43:29 |
| smmf-20210930_def.xml | 656331 | 2021-11-04 15:43:29 |
 smmf-20210930_g1.jpg | 52116 | 2021-11-04 15:43:29 |
| smmf-20210930_htm.xml | 9180094 | 2021-11-04 15:43:29 |
| smmf-20210930_lab.xml | 1145575 | 2021-11-04 15:43:29 |
| smmf-20210930_pre.xml | 894631 | 2021-11-04 15:43:29 |