v3.26.1
Note 14 - Fair Value (Details Textual)
12 Months Ended
Dec. 31, 2025
Other Real Estate Owned [Member]
Expected Sales Costs to Appraised Value, Percentage
10.00%
Impaired Loans [Member]
Expected Sales Costs to Appraised Value, Percentage
10.00%
X
- Definition
Expected sales costs as a percentage of the appraised value.
+ References
No definition available.
+ Details
Name:
fmfg_ExpectedSalesCostsToAppraisedValuePercentage
Namespace Prefix:
fmfg_
Data Type:
dtr-types:percentItemType
Balance Type:
na
Period Type:
duration
X
- Details
Name:
us-gaap_FairValueByAssetClassAxis=fmfg_OtherRealEstateOwnedMember
Namespace Prefix:
Data Type:
na
Balance Type:
Period Type:
X
- Details
Name:
us-gaap_FairValueByAssetClassAxis=fmfg_ImpairedLoansMember
Namespace Prefix:
Data Type:
na
Balance Type:
Period Type: