Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001140361-23-009417-index-headers.html | 2023-03-01 16:17:30 | |
| 0001140361-23-009417-index.html | 2023-03-01 16:17:30 | |
| 0001140361-23-009417.txt | 2023-03-01 16:17:30 | |
 0001140361-23-009417-xbrl.zip | 704840 | 2023-03-01 16:17:30 |
| brhc10048327_10k.htm | 6395460 | 2023-03-01 16:17:30 |
| brhc10048327_10k_htm.xml | 7180066 | 2023-03-01 16:17:30 |
| brhc10048327_ex10-16.htm | 115437 | 2023-03-01 16:17:30 |
| brhc10048327_ex10-17.htm | 120780 | 2023-03-01 16:17:30 |
| brhc10048327_ex21.htm | 16576 | 2023-03-01 16:17:30 |
| brhc10048327_ex23.htm | 2075 | 2023-03-01 16:17:30 |
| brhc10048327_ex31-1.htm | 6887 | 2023-03-01 16:17:30 |
| brhc10048327_ex31-2.htm | 6885 | 2023-03-01 16:17:30 |
| brhc10048327_ex32-1.htm | 4180 | 2023-03-01 16:17:30 |
| brhc10048327_ex32-2.htm | 4326 | 2023-03-01 16:17:30 |
| FilingSummary.xml | 61200 | 2023-03-01 16:17:30 |
| Financial_Report.xlsx | 232338 | 2023-03-01 16:17:30 |
 image00002.jpg | 32752 | 2023-03-01 16:17:30 |
| MetaLinks.json | 1479655 | 2023-03-01 16:17:30 |
| nbtb-20221231.xsd | 98500 | 2023-03-01 16:17:30 |
| nbtb-20221231_cal.xml | 209418 | 2023-03-01 16:17:30 |
| nbtb-20221231_def.xml | 599985 | 2023-03-01 16:17:30 |
| nbtb-20221231_lab.xml | 1729755 | 2023-03-01 16:17:30 |
| nbtb-20221231_pre.xml | 1006468 | 2023-03-01 16:17:30 |
| R1.htm | 66034 | 2023-03-01 16:17:30 |
| R10.htm | 19236 | 2023-03-01 16:17:30 |
| R11.htm | 8119 | 2023-03-01 16:17:30 |
| R12.htm | 395986 | 2023-03-01 16:17:30 |
| R13.htm | 34822 | 2023-03-01 16:17:30 |
| R14.htm | 1041288 | 2023-03-01 16:17:30 |
| R15.htm | 52259 | 2023-03-01 16:17:30 |
| R16.htm | 39025 | 2023-03-01 16:17:30 |
| R17.htm | 14360 | 2023-03-01 16:17:30 |
| R18.htm | 105171 | 2023-03-01 16:17:30 |
| R19.htm | 99955 | 2023-03-01 16:17:30 |
| R2.htm | 109471 | 2023-03-01 16:17:30 |
| R20.htm | 238577 | 2023-03-01 16:17:30 |
| R21.htm | 52233 | 2023-03-01 16:17:30 |
| R22.htm | 25391 | 2023-03-01 16:17:30 |
| R23.htm | 102916 | 2023-03-01 16:17:30 |
| R24.htm | 40549 | 2023-03-01 16:17:30 |
| R25.htm | 56879 | 2023-03-01 16:17:30 |
| R26.htm | 18867 | 2023-03-01 16:17:30 |
| R27.htm | 97773 | 2023-03-01 16:17:30 |
| R28.htm | 148082 | 2023-03-01 16:17:30 |
| R29.htm | 127834 | 2023-03-01 16:17:30 |
| R3.htm | 18519 | 2023-03-01 16:17:30 |
| R30.htm | 181637 | 2023-03-01 16:17:30 |
| R31.htm | 8348 | 2023-03-01 16:17:30 |
| R32.htm | 8021 | 2023-03-01 16:17:30 |
| R33.htm | 21126 | 2023-03-01 16:17:30 |
| R34.htm | 9417 | 2023-03-01 16:17:30 |
| R35.htm | 11061 | 2023-03-01 16:17:30 |
| R36.htm | 16489 | 2023-03-01 16:17:30 |
| R37.htm | 37193 | 2023-03-01 16:17:30 |
| R38.htm | 394600 | 2023-03-01 16:17:30 |
| R39.htm | 34832 | 2023-03-01 16:17:30 |
| R4.htm | 114817 | 2023-03-01 16:17:30 |
| R40.htm | 1015718 | 2023-03-01 16:17:30 |
| R41.htm | 53856 | 2023-03-01 16:17:30 |
| R42.htm | 42502 | 2023-03-01 16:17:30 |
| R43.htm | 12184 | 2023-03-01 16:17:30 |
| R44.htm | 99454 | 2023-03-01 16:17:30 |
| R45.htm | 103196 | 2023-03-01 16:17:30 |
| R46.htm | 240262 | 2023-03-01 16:17:30 |
| R47.htm | 52209 | 2023-03-01 16:17:30 |
| R48.htm | 18201 | 2023-03-01 16:17:30 |
| R49.htm | 95796 | 2023-03-01 16:17:30 |
| R5.htm | 90393 | 2023-03-01 16:17:30 |
| R50.htm | 39189 | 2023-03-01 16:17:30 |
| R51.htm | 56326 | 2023-03-01 16:17:30 |
| R52.htm | 14789 | 2023-03-01 16:17:30 |
| R53.htm | 99874 | 2023-03-01 16:17:30 |
| R54.htm | 136989 | 2023-03-01 16:17:30 |
| R55.htm | 126204 | 2023-03-01 16:17:30 |
| R56.htm | 4397 | 2023-03-01 16:17:30 |
| R57.htm | 6114 | 2023-03-01 16:17:30 |
| R58.htm | 35574 | 2023-03-01 16:17:30 |
| R59.htm | 4125 | 2023-03-01 16:17:30 |
| R6.htm | 50827 | 2023-03-01 16:17:30 |
| R60.htm | 24255 | 2023-03-01 16:17:30 |
| R61.htm | 19533 | 2023-03-01 16:17:30 |
| R62.htm | 52006 | 2023-03-01 16:17:30 |
| R63.htm | 50226 | 2023-03-01 16:17:30 |
| R64.htm | 19160 | 2023-03-01 16:17:30 |
| R65.htm | 30465 | 2023-03-01 16:17:30 |
| R66.htm | 35423 | 2023-03-01 16:17:30 |
| R67.htm | 69738 | 2023-03-01 16:17:30 |
| R68.htm | 65791 | 2023-03-01 16:17:30 |
| R69.htm | 47714 | 2023-03-01 16:17:30 |
| R7.htm | 9010 | 2023-03-01 16:17:30 |
| R70.htm | 43323 | 2023-03-01 16:17:30 |
| R71.htm | 26042 | 2023-03-01 16:17:30 |
| R72.htm | 101844 | 2023-03-01 16:17:30 |
| R73.htm | 119893 | 2023-03-01 16:17:30 |
| R74.htm | 9425 | 2023-03-01 16:17:30 |
| R75.htm | 36749 | 2023-03-01 16:17:30 |
| R76.htm | 77165 | 2023-03-01 16:17:30 |
| R77.htm | 53651 | 2023-03-01 16:17:30 |
| R78.htm | 20117 | 2023-03-01 16:17:30 |
| R79.htm | 26373 | 2023-03-01 16:17:30 |
| R8.htm | 145253 | 2023-03-01 16:17:30 |
| R80.htm | 28231 | 2023-03-01 16:17:30 |
| R81.htm | 34524 | 2023-03-01 16:17:30 |
| R82.htm | 50648 | 2023-03-01 16:17:30 |
| R83.htm | 92887 | 2023-03-01 16:17:30 |
| R84.htm | 195015 | 2023-03-01 16:17:30 |
| R85.htm | 38273 | 2023-03-01 16:17:30 |
| R86.htm | 12018 | 2023-03-01 16:17:30 |
| R87.htm | 96415 | 2023-03-01 16:17:30 |
| R88.htm | 30868 | 2023-03-01 16:17:30 |
| R89.htm | 57484 | 2023-03-01 16:17:30 |
| R9.htm | 114525 | 2023-03-01 16:17:30 |
| R90.htm | 36595 | 2023-03-01 16:17:30 |
| R91.htm | 48170 | 2023-03-01 16:17:30 |
| R92.htm | 22421 | 2023-03-01 16:17:30 |
| R93.htm | 86032 | 2023-03-01 16:17:30 |
| R94.htm | 83295 | 2023-03-01 16:17:30 |
| R95.htm | 29162 | 2023-03-01 16:17:30 |
| R96.htm | 45332 | 2023-03-01 16:17:30 |
| R97.htm | 50819 | 2023-03-01 16:17:30 |
| R98.htm | 81637 | 2023-03-01 16:17:30 |
| report.css | 2768 | 2023-03-01 16:17:30 |
| Show.js | 1086 | 2023-03-01 16:17:30 |