XML 61 R31.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Deposits (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2016
Deposits [Abstract] |
Schedule of Maturities of Time Deposits [Table Text Block] | Aggregate time deposits in denominations of $250,000 or more were $63,982,000 and $22,041,000 at December 31, 2016 and 2015, respectively. Included in deposit accounts are deposits of three customer relationships totaling $84,095,000 at December 31, 2016. ﻿ At December 31, 2016, the scheduled maturities of time deposits are as follows (in thousands): ﻿
﻿ |  |
﻿ |  |
﻿2017 | $ | 174,814
﻿2018 |  | 53,523
﻿2019 |  | 34,710
﻿2020 |  | 15,464
﻿2021 |  | 16,867
﻿Thereafter |  | 179
﻿ | $ | 295,557
﻿

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