Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000921082-22-000006-index-headers.html | 2022-02-08 16:04:51 | |
| 0000921082-22-000006-index.html | 2022-02-08 16:04:51 | |
| 0000921082-22-000006.txt | 2022-02-08 16:04:51 | |
 0000921082-22-000006-xbrl.zip | 863665 | 2022-02-08 16:04:51 |
| FilingSummary.xml | 40195 | 2022-02-08 16:04:51 |
| Financial_Report.xlsx | 198949 | 2022-02-08 16:04:51 |
| hiw-20211231.htm | 6287336 | 2022-02-08 16:04:51 |
| hiw-20211231.xsd | 138757 | 2022-02-08 16:04:51 |
| hiw-20211231_cal.xml | 130522 | 2022-02-08 16:04:51 |
| hiw-20211231_def.xml | 672731 | 2022-02-08 16:04:51 |
 hiw-20211231_g1.jpg | 2460 | 2022-02-08 16:04:51 |
 hiw-20211231_g2.jpg | 56968 | 2022-02-08 16:04:51 |
 hiw-20211231_g3.jpg | 76993 | 2022-02-08 16:04:51 |
| hiw-20211231_htm.xml | 5456378 | 2022-02-08 16:04:51 |
| hiw-20211231_lab.xml | 1435914 | 2022-02-08 16:04:51 |
| hiw-20211231_pre.xml | 836406 | 2022-02-08 16:04:51 |
| hiw12312021ex21.htm | 6245 | 2022-02-08 16:04:51 |
| hiw12312021ex231.htm | 2972 | 2022-02-08 16:04:51 |
| hiw12312021ex232.htm | 2953 | 2022-02-08 16:04:51 |
| hiw12312021ex311.htm | 9701 | 2022-02-08 16:04:51 |
| hiw12312021ex312.htm | 9799 | 2022-02-08 16:04:51 |
| hiw12312021ex313.htm | 9869 | 2022-02-08 16:04:51 |
| hiw12312021ex314.htm | 9806 | 2022-02-08 16:04:51 |
| hiw12312021ex321.htm | 4235 | 2022-02-08 16:04:51 |
| hiw12312021ex322.htm | 4078 | 2022-02-08 16:04:51 |
| hiw12312021ex323.htm | 4290 | 2022-02-08 16:04:51 |
| hiw12312021ex324.htm | 4351 | 2022-02-08 16:04:51 |
| MetaLinks.json | 1087007 | 2022-02-08 16:04:51 |
| R1.htm | 73413 | 2022-02-08 16:04:51 |
| R10.htm | 51275 | 2022-02-08 16:04:51 |
| R11.htm | 27892 | 2022-02-08 16:04:51 |
| R12.htm | 29325 | 2022-02-08 16:04:51 |
| R13.htm | 31816 | 2022-02-08 16:04:51 |
| R14.htm | 55802 | 2022-02-08 16:04:51 |
| R15.htm | 65159 | 2022-02-08 16:04:51 |
| R16.htm | 23343 | 2022-02-08 16:04:51 |
| R17.htm | 10323 | 2022-02-08 16:04:51 |
| R18.htm | 27819 | 2022-02-08 16:04:51 |
| R19.htm | 56836 | 2022-02-08 16:04:51 |
| R2.htm | 10030 | 2022-02-08 16:04:51 |
| R20.htm | 58486 | 2022-02-08 16:04:51 |
| R21.htm | 94266 | 2022-02-08 16:04:51 |
| R22.htm | 14607 | 2022-02-08 16:04:51 |
| R23.htm | 17629 | 2022-02-08 16:04:51 |
| R24.htm | 80995 | 2022-02-08 16:04:51 |
| R25.htm | 25453 | 2022-02-08 16:04:51 |
| R26.htm | 79711 | 2022-02-08 16:04:51 |
| R27.htm | 4967 | 2022-02-08 16:04:51 |
| R28.htm | 993353 | 2022-02-08 16:04:51 |
| R29.htm | 83596 | 2022-02-08 16:04:51 |
| R3.htm | 133360 | 2022-02-08 16:04:51 |
| R30.htm | 19654 | 2022-02-08 16:04:51 |
| R31.htm | 22806 | 2022-02-08 16:04:51 |
| R32.htm | 26220 | 2022-02-08 16:04:51 |
| R33.htm | 62407 | 2022-02-08 16:04:51 |
| R34.htm | 49227 | 2022-02-08 16:04:51 |
| R35.htm | 20859 | 2022-02-08 16:04:51 |
| R36.htm | 28874 | 2022-02-08 16:04:51 |
| R37.htm | 51297 | 2022-02-08 16:04:51 |
| R38.htm | 60561 | 2022-02-08 16:04:51 |
| R39.htm | 92158 | 2022-02-08 16:04:51 |
| R4.htm | 44809 | 2022-02-08 16:04:51 |
| R40.htm | 14046 | 2022-02-08 16:04:51 |
| R41.htm | 17552 | 2022-02-08 16:04:51 |
| R42.htm | 84150 | 2022-02-08 16:04:51 |
| R43.htm | 20597 | 2022-02-08 16:04:51 |
| R44.htm | 75003 | 2022-02-08 16:04:51 |
| R45.htm | 60461 | 2022-02-08 16:04:51 |
| R46.htm | 75761 | 2022-02-08 16:04:51 |
| R47.htm | 19405 | 2022-02-08 16:04:51 |
| R48.htm | 76049 | 2022-02-08 16:04:51 |
| R49.htm | 54631 | 2022-02-08 16:04:51 |
| R5.htm | 99646 | 2022-02-08 16:04:51 |
| R50.htm | 49739 | 2022-02-08 16:04:51 |
| R51.htm | 41482 | 2022-02-08 16:04:51 |
| R52.htm | 58384 | 2022-02-08 16:04:51 |
| R53.htm | 188721 | 2022-02-08 16:04:51 |
| R54.htm | 49752 | 2022-02-08 16:04:51 |
| R55.htm | 11097 | 2022-02-08 16:04:51 |
| R56.htm | 47140 | 2022-02-08 16:04:51 |
| R57.htm | 42443 | 2022-02-08 16:04:51 |
| R58.htm | 72105 | 2022-02-08 16:04:51 |
| R59.htm | 180321 | 2022-02-08 16:04:51 |
| R6.htm | 44185 | 2022-02-08 16:04:51 |
| R60.htm | 17657 | 2022-02-08 16:04:51 |
| R61.htm | 19622 | 2022-02-08 16:04:51 |
| R62.htm | 84116 | 2022-02-08 16:04:51 |
| R63.htm | 33580 | 2022-02-08 16:04:51 |
| R64.htm | 87658 | 2022-02-08 16:04:51 |
| R65.htm | 8382 | 2022-02-08 16:04:51 |
| R66.htm | 2536839 | 2022-02-08 16:04:51 |
| R7.htm | 139151 | 2022-02-08 16:04:51 |
| R8.htm | 12891 | 2022-02-08 16:04:51 |
| R9.htm | 224940 | 2022-02-08 16:04:51 |
| report.css | 2767 | 2022-02-08 16:04:51 |
| Show.js | 1085 | 2022-02-08 16:04:51 |