XML 31 R22.htm IDEA: XBRL DOCUMENT
v3.23.2

Basis of Presentation (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2023
Basis of Presentation [Abstract] |
Changes from Incurred Loss Model to Expected Credit Loss Model |
|  |  |  |  | January 1, 2023
|  |  |  |  | Pre-adoption |  | Adoption Impact |  | As Reported
Assets |  |  |  |  |  |  |  |  |
| ACL on debt securities available for sale |  |  | $ | - | $ | - | $ | -
| ACL on loans |  |  |  |  |  |  |  |
| Residential real estate |  |  |  | 2,833 |  | (1,545) |  | 1,288
| Commercial real estate |  |  |  | 8,293 |  | 5,527 |  | 13,820
| Agricultural |  |  |  | 259 |  | (200) |  | 59
| Construction |  |  |  | 409 |  | 388 |  | 797
| Commercial loans |  |  |  | 2,445 |  | (1,156) |  | 1,289
| Other agricultural loans |  |  |  | 124 |  | 3 |  | 127
| Consumer |  |  |  | 2,636 |  | (551) |  | 2,085
Liabilities |  |  |  |  |  |  |  |  |
| ACL for unfunded commitments |  |  |  | - |  | 329 |  | 329
|  |  |  | $ | 16,999 | $ | 2,795 | $ | 19,794

X
- Definition Changes from Incurred loss Model to Expected Credit Loss Model [Table TextBlock]. + References No definition available. + Details
Name: | nwfl_ChangesFromIncurredLossModelToExpectedCreditLossModelTableTextblock
Namespace Prefix: | nwfl_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration