XML 70 R31.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Deposits (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2013
Deposits [Abstract] |
Schedule of Maturities of Time Deposits [Table Text Block] | At December 31, 2013, the scheduled maturities of time deposits are as follows (in thousands):
2014 | $ | 105,493
2015 |  | 48,688
2016 |  | 31,307
2017 |  | 15,980
2018 |  | 9,961
| $ | 211,429

X
- Definition Tabular disclosure of maturities of time deposits. + References No definition available. + Details
Name: | nwfl_ScheduleOfMaturitiesOfTimeDepositsTableTextBlock
Namespace Prefix: | nwfl_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DepositsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration