Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001471265-26-000017-index-headers.html | 2026-05-07 16:09:08 | |
| 0001471265-26-000017-index.html | 2026-05-07 16:09:08 | |
| 0001471265-26-000017.txt | 2026-05-07 16:09:08 | |
 0001471265-26-000017-xbrl.zip | 782952 | 2026-05-07 16:09:08 |
| a2026-03x31nwbixexx311.htm | 14293 | 2026-05-07 16:09:08 |
| a2026-03x31nwbixexx312.htm | 14353 | 2026-05-07 16:09:08 |
| a2026-03x31nwbixexx321.htm | 10784 | 2026-05-07 16:09:08 |
| FilingSummary.xml | 51615 | 2026-05-07 16:09:08 |
| MetaLinks.json | 1411988 | 2026-05-07 16:09:08 |
| nwbi-20260331.htm | 3610998 | 2026-05-07 16:09:08 |
| nwbi-20260331.xsd | 72412 | 2026-05-07 16:09:08 |
| nwbi-20260331_cal.xml | 181564 | 2026-05-07 16:09:08 |
| nwbi-20260331_def.xml | 549362 | 2026-05-07 16:09:08 |
 nwbi-20260331_g1.jpg | 40331 | 2026-05-07 16:09:08 |
 nwbi-20260331_g10.jpg | 30116 | 2026-05-07 16:09:08 |
 nwbi-20260331_g2.jpg | 55232 | 2026-05-07 16:09:08 |
 nwbi-20260331_g3.jpg | 50712 | 2026-05-07 16:09:08 |
 nwbi-20260331_g4.jpg | 53018 | 2026-05-07 16:09:08 |
 nwbi-20260331_g5.jpg | 50430 | 2026-05-07 16:09:08 |
 nwbi-20260331_g6.jpg | 47723 | 2026-05-07 16:09:08 |
 nwbi-20260331_g7.jpg | 50901 | 2026-05-07 16:09:08 |
 nwbi-20260331_g8.jpg | 48344 | 2026-05-07 16:09:08 |
 nwbi-20260331_g9.jpg | 45484 | 2026-05-07 16:09:08 |
| nwbi-20260331_htm.xml | 5087305 | 2026-05-07 16:09:08 |
| nwbi-20260331_lab.xml | 996896 | 2026-05-07 16:09:08 |
| nwbi-20260331_pre.xml | 806942 | 2026-05-07 16:09:08 |
| R1.htm | 53080 | 2026-05-07 16:09:08 |
| R10.htm | 4168 | 2026-05-07 16:09:08 |
| R11.htm | 8522 | 2026-05-07 16:09:08 |
| R12.htm | 45323 | 2026-05-07 16:09:08 |
| R13.htm | 208644 | 2026-05-07 16:09:08 |
| R14.htm | 883182 | 2026-05-07 16:09:08 |
| R15.htm | 25564 | 2026-05-07 16:09:08 |
| R16.htm | 59949 | 2026-05-07 16:09:08 |
| R17.htm | 9561 | 2026-05-07 16:09:08 |
| R18.htm | 28731 | 2026-05-07 16:09:08 |
| R19.htm | 24550 | 2026-05-07 16:09:08 |
| R2.htm | 122332 | 2026-05-07 16:09:08 |
| R20.htm | 361142 | 2026-05-07 16:09:08 |
| R21.htm | 110570 | 2026-05-07 16:09:08 |
| R22.htm | 5095 | 2026-05-07 16:09:08 |
| R23.htm | 41276 | 2026-05-07 16:09:08 |
| R24.htm | 56134 | 2026-05-07 16:09:08 |
| R25.htm | 8465 | 2026-05-07 16:09:08 |
| R26.htm | 9024 | 2026-05-07 16:09:08 |
| R27.htm | 35602 | 2026-05-07 16:09:08 |
| R28.htm | 215106 | 2026-05-07 16:09:08 |
| R29.htm | 885321 | 2026-05-07 16:09:08 |
| R3.htm | 25354 | 2026-05-07 16:09:08 |
| R30.htm | 31112 | 2026-05-07 16:09:08 |
| R31.htm | 44076 | 2026-05-07 16:09:08 |
| R32.htm | 27546 | 2026-05-07 16:09:08 |
| R33.htm | 20969 | 2026-05-07 16:09:08 |
| R34.htm | 347796 | 2026-05-07 16:09:08 |
| R35.htm | 130056 | 2026-05-07 16:09:08 |
| R36.htm | 40603 | 2026-05-07 16:09:08 |
| R37.htm | 47290 | 2026-05-07 16:09:08 |
| R38.htm | 4047 | 2026-05-07 16:09:08 |
| R39.htm | 43646 | 2026-05-07 16:09:08 |
| R4.htm | 132886 | 2026-05-07 16:09:08 |
| R40.htm | 46580 | 2026-05-07 16:09:08 |
| R41.htm | 33952 | 2026-05-07 16:09:08 |
| R42.htm | 21542 | 2026-05-07 16:09:08 |
| R43.htm | 98647 | 2026-05-07 16:09:08 |
| R44.htm | 62696 | 2026-05-07 16:09:08 |
| R45.htm | 29630 | 2026-05-07 16:09:08 |
| R46.htm | 26963 | 2026-05-07 16:09:08 |
| R47.htm | 36537 | 2026-05-07 16:09:08 |
| R48.htm | 13635 | 2026-05-07 16:09:08 |
| R49.htm | 39072 | 2026-05-07 16:09:08 |
| R5.htm | 48648 | 2026-05-07 16:09:08 |
| R50.htm | 67862 | 2026-05-07 16:09:08 |
| R51.htm | 46008 | 2026-05-07 16:09:08 |
| R52.htm | 62169 | 2026-05-07 16:09:08 |
| R53.htm | 52789 | 2026-05-07 16:09:08 |
| R54.htm | 30566 | 2026-05-07 16:09:08 |
| R55.htm | 63014 | 2026-05-07 16:09:08 |
| R56.htm | 25681 | 2026-05-07 16:09:08 |
| R57.htm | 92062 | 2026-05-07 16:09:08 |
| R58.htm | 211468 | 2026-05-07 16:09:08 |
| R59.htm | 35844 | 2026-05-07 16:09:08 |
| R6.htm | 14148 | 2026-05-07 16:09:08 |
| R60.htm | 11984 | 2026-05-07 16:09:08 |
| R61.htm | 33633 | 2026-05-07 16:09:08 |
| R62.htm | 74966 | 2026-05-07 16:09:08 |
| R63.htm | 38547 | 2026-05-07 16:09:08 |
| R64.htm | 18081 | 2026-05-07 16:09:08 |
| R65.htm | 63228 | 2026-05-07 16:09:08 |
| R66.htm | 25853 | 2026-05-07 16:09:08 |
| R67.htm | 4713 | 2026-05-07 16:09:08 |
| R68.htm | 183221 | 2026-05-07 16:09:08 |
| R69.htm | 205111 | 2026-05-07 16:09:08 |
| R7.htm | 67463 | 2026-05-07 16:09:08 |
| R70.htm | 17464 | 2026-05-07 16:09:08 |
| R71.htm | 31287 | 2026-05-07 16:09:08 |
| R72.htm | 33282 | 2026-05-07 16:09:08 |
| R73.htm | 14169 | 2026-05-07 16:09:08 |
| R74.htm | 56339 | 2026-05-07 16:09:08 |
| R75.htm | 12997 | 2026-05-07 16:09:08 |
| R76.htm | 32144 | 2026-05-07 16:09:08 |
| R77.htm | 29843 | 2026-05-07 16:09:08 |
| R78.htm | 37119 | 2026-05-07 16:09:08 |
| R79.htm | 118650 | 2026-05-07 16:09:08 |
| R8.htm | 6989 | 2026-05-07 16:09:08 |
| R9.htm | 104164 | 2026-05-07 16:09:08 |
| report.css | 2768 | 2026-05-07 16:09:08 |
| Show.js | 1086 | 2026-05-07 16:09:08 |