Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000920112-21-000129-index-headers.html | 2021-05-06 11:54:02 | |
| 0000920112-21-000129-index.html | 2021-05-06 11:54:02 | |
| 0000920112-21-000129.txt | 2021-05-06 11:54:02 | |
 0000920112-21-000129-xbrl.zip | 588637 | 2021-05-06 11:54:02 |
| ex-31103312021.htm | 13235 | 2021-05-06 11:54:02 |
| ex-31203312021.htm | 13323 | 2021-05-06 11:54:02 |
| ex-32103312021.htm | 5162 | 2021-05-06 11:54:02 |
| ex-32203312021.htm | 5175 | 2021-05-06 11:54:02 |
| FilingSummary.xml | 53055 | 2021-05-06 11:54:02 |
| Financial_Report.xlsx | 166370 | 2021-05-06 11:54:02 |
| htlf-20210331.htm | 5226947 | 2021-05-06 11:54:02 |
| htlf-20210331.xsd | 65890 | 2021-05-06 11:54:02 |
| htlf-20210331_cal.xml | 161886 | 2021-05-06 11:54:02 |
| htlf-20210331_def.xml | 675692 | 2021-05-06 11:54:02 |
| htlf-20210331_htm.xml | 5817595 | 2021-05-06 11:54:02 |
| htlf-20210331_lab.xml | 958881 | 2021-05-06 11:54:02 |
| htlf-20210331_pre.xml | 813625 | 2021-05-06 11:54:02 |
| htlf_2021x3yrpsuagmtxfin.htm | 18406 | 2021-05-06 11:54:02 |
 htlf_2021x3yrpsuagmtxfin001.jpg | 268023 | 2021-05-06 11:54:02 |
 htlf_2021x3yrpsuagmtxfin002.jpg | 272238 | 2021-05-06 11:54:02 |
 htlf_2021x3yrpsuagmtxfin003.jpg | 286197 | 2021-05-06 11:54:02 |
 htlf_2021x3yrpsuagmtxfin004.jpg | 281911 | 2021-05-06 11:54:02 |
 htlf_2021x3yrpsuagmtxfin005.jpg | 240154 | 2021-05-06 11:54:02 |
 htlf_2021x3yrpsuagmtxfin006.jpg | 30132 | 2021-05-06 11:54:02 |
| htlf_2021xtbagmtemp.htm | 25514 | 2021-05-06 11:54:02 |
 htlf_2021xtbagmtemp001.jpg | 285311 | 2021-05-06 11:54:02 |
 htlf_2021xtbagmtemp002.jpg | 319574 | 2021-05-06 11:54:02 |
 htlf_2021xtbagmtemp003.jpg | 321871 | 2021-05-06 11:54:02 |
 htlf_2021xtbagmtemp004.jpg | 172587 | 2021-05-06 11:54:02 |
 htlf_2021xtbagmtemp005.jpg | 82613 | 2021-05-06 11:54:02 |
 htlf_2021xtbagmtemp006.jpg | 215404 | 2021-05-06 11:54:02 |
 htlf_2021xtbagmtemp007.jpg | 206326 | 2021-05-06 11:54:02 |
 htlf_2021xtbagmtemp008.jpg | 224292 | 2021-05-06 11:54:02 |
 htlf_2021xtbagmtemp009.jpg | 97466 | 2021-05-06 11:54:02 |
| htlf_2021xtbagmtempexex3.htm | 26348 | 2021-05-06 11:54:02 |
 htlf_2021xtbagmtempexex3001.jpg | 245520 | 2021-05-06 11:54:02 |
 htlf_2021xtbagmtempexex3002.jpg | 265542 | 2021-05-06 11:54:02 |
 htlf_2021xtbagmtempexex3003.jpg | 306338 | 2021-05-06 11:54:02 |
 htlf_2021xtbagmtempexex3004.jpg | 285196 | 2021-05-06 11:54:02 |
 htlf_2021xtbagmtempexex3005.jpg | 37544 | 2021-05-06 11:54:02 |
 htlf_2021xtbagmtempexex3006.jpg | 78702 | 2021-05-06 11:54:02 |
 htlf_2021xtbagmtempexex3007.jpg | 216383 | 2021-05-06 11:54:02 |
 htlf_2021xtbagmtempexex3008.jpg | 207335 | 2021-05-06 11:54:02 |
 htlf_2021xtbagmtempexex3009.jpg | 225213 | 2021-05-06 11:54:02 |
 htlf_2021xtbagmtempexex3010.jpg | 96413 | 2021-05-06 11:54:02 |
| MetaLinks.json | 940906 | 2021-05-06 11:54:02 |
| R1.htm | 56993 | 2021-05-06 11:54:02 |
| R10.htm | 32355 | 2021-05-06 11:54:02 |
| R11.htm | 7324 | 2021-05-06 11:54:02 |
| R12.htm | 238843 | 2021-05-06 11:54:02 |
| R13.htm | 604620 | 2021-05-06 11:54:02 |
| R14.htm | 100688 | 2021-05-06 11:54:02 |
| R15.htm | 111323 | 2021-05-06 11:54:02 |
| R16.htm | 159409 | 2021-05-06 11:54:02 |
| R17.htm | 382655 | 2021-05-06 11:54:02 |
| R18.htm | 43019 | 2021-05-06 11:54:02 |
| R19.htm | 26051 | 2021-05-06 11:54:02 |
| R2.htm | 115584 | 2021-05-06 11:54:02 |
| R20.htm | 50165 | 2021-05-06 11:54:02 |
| R21.htm | 21073 | 2021-05-06 11:54:02 |
| R22.htm | 612490 | 2021-05-06 11:54:02 |
| R23.htm | 616720 | 2021-05-06 11:54:02 |
| R24.htm | 103484 | 2021-05-06 11:54:02 |
| R25.htm | 112336 | 2021-05-06 11:54:02 |
| R26.htm | 161057 | 2021-05-06 11:54:02 |
| R27.htm | 365646 | 2021-05-06 11:54:02 |
| R28.htm | 33042 | 2021-05-06 11:54:02 |
| R29.htm | 17901 | 2021-05-06 11:54:02 |
| R3.htm | 39563 | 2021-05-06 11:54:02 |
| R30.htm | 40108 | 2021-05-06 11:54:02 |
| R31.htm | 30798 | 2021-05-06 11:54:02 |
| R32.htm | 48716 | 2021-05-06 11:54:02 |
| R33.htm | 19991 | 2021-05-06 11:54:02 |
| R34.htm | 42897 | 2021-05-06 11:54:02 |
| R35.htm | 39113 | 2021-05-06 11:54:02 |
| R36.htm | 10529 | 2021-05-06 11:54:02 |
| R37.htm | 9192 | 2021-05-06 11:54:02 |
| R38.htm | 73341 | 2021-05-06 11:54:02 |
| R39.htm | 16502 | 2021-05-06 11:54:02 |
| R4.htm | 127343 | 2021-05-06 11:54:02 |
| R40.htm | 17878 | 2021-05-06 11:54:02 |
| R41.htm | 35869 | 2021-05-06 11:54:02 |
| R42.htm | 56026 | 2021-05-06 11:54:02 |
| R43.htm | 9312 | 2021-05-06 11:54:02 |
| R44.htm | 47676 | 2021-05-06 11:54:02 |
| R45.htm | 5680 | 2021-05-06 11:54:02 |
| R46.htm | 155247 | 2021-05-06 11:54:02 |
| R47.htm | 20780 | 2021-05-06 11:54:02 |
| R48.htm | 72407 | 2021-05-06 11:54:02 |
| R49.htm | 8059 | 2021-05-06 11:54:02 |
| R5.htm | 16016 | 2021-05-06 11:54:02 |
| R50.htm | 75575 | 2021-05-06 11:54:02 |
| R51.htm | 21381 | 2021-05-06 11:54:02 |
| R52.htm | 20459 | 2021-05-06 11:54:02 |
| R53.htm | 55121 | 2021-05-06 11:54:02 |
| R54.htm | 38727 | 2021-05-06 11:54:02 |
| R55.htm | 23932 | 2021-05-06 11:54:02 |
| R56.htm | 21333 | 2021-05-06 11:54:02 |
| R57.htm | 6751 | 2021-05-06 11:54:02 |
| R58.htm | 19958 | 2021-05-06 11:54:02 |
| R59.htm | 33852 | 2021-05-06 11:54:02 |
| R6.htm | 44183 | 2021-05-06 11:54:02 |
| R60.htm | 18473 | 2021-05-06 11:54:02 |
| R61.htm | 7845 | 2021-05-06 11:54:02 |
| R62.htm | 8802 | 2021-05-06 11:54:02 |
| R63.htm | 7160 | 2021-05-06 11:54:02 |
| R64.htm | 9580 | 2021-05-06 11:54:02 |
| R65.htm | 7158 | 2021-05-06 11:54:02 |
| R66.htm | 15319 | 2021-05-06 11:54:02 |
| R67.htm | 19960 | 2021-05-06 11:54:02 |
| R68.htm | 9763 | 2021-05-06 11:54:02 |
| R69.htm | 21650 | 2021-05-06 11:54:02 |
| R7.htm | 133256 | 2021-05-06 11:54:02 |
| R70.htm | 12892 | 2021-05-06 11:54:02 |
| R71.htm | 113435 | 2021-05-06 11:54:02 |
| R72.htm | 82459 | 2021-05-06 11:54:02 |
| R73.htm | 68133 | 2021-05-06 11:54:02 |
| R74.htm | 13180 | 2021-05-06 11:54:02 |
| R75.htm | 147805 | 2021-05-06 11:54:02 |
| R76.htm | 8232 | 2021-05-06 11:54:02 |
| R77.htm | 43512 | 2021-05-06 11:54:02 |
| R78.htm | 38294 | 2021-05-06 11:54:02 |
| R79.htm | 25226 | 2021-05-06 11:54:02 |
| R8.htm | 35749 | 2021-05-06 11:54:02 |
| R9.htm | 19969 | 2021-05-06 11:54:02 |
| report.css | 2768 | 2021-05-06 11:54:02 |
| Show.js | 1086 | 2021-05-06 11:54:02 |