XML 54 R40.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Interest Bearing Deposits (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Interest Bearing Deposits [Abstract] |
Summary of Scheduled Maturities of Certificates of Deposit | Following is a summary of scheduled maturities of certificates of deposit during the years following December 31, 2017:
2018 |  |  |  | $ | 92,678 |
2019 |  |  |  |  | 46,243 |
2020 |  |  |  |  | 35,619 |
2021 |  |  |  |  | 55,086 |
2022 |  |  |  |  | 20,424 |
Thereafter |  |  |  |  | 13,855 |
TOTAL |  | $ | 263,905 |
Summary of Year-end Interest Bearing Deposits | Following is a summary of year-end interest bearing deposits:
|  |  | 2017 |  |  |  | 2016 |
Demand |  | $ | 440,347 |  |  | $ | 378,317 |
Money Market |  |  | 253,181 |  |  |  | 317,079 |
Savings |  |  | 234,940 |  |  |  | 226,770 |
Certificates of Deposit |  |  | 263,905 |  |  |  | 235,720 |
TOTAL |  | $ | 1,192,373 |  |  | $ | 1,157,886 |

X
- Definition Interest bearing deposits. + References No definition available. + Details
Name: | fmnb_InterestBearingDepositsAbstract
Namespace Prefix: | fmnb_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of interest bearing deposits. + References No definition available. + Details
Name: | fmnb_ScheduleOfInterestBearingDepositsTableTextBlock
Namespace Prefix: | fmnb_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Time deposits by maturity. + References No definition available. + Details
Name: | fmnb_TimeDepositsByMaturityTableTextBlock
Namespace Prefix: | fmnb_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration