XML 99 R85.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Note 14 - Commitments, Contingencies and Concentrations of Credit Risk (Details Textual) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Fixed Interest Rate, Commitments to Extend Credit | $ 123,700 | $ 157,700
Liabilities to Cover Credit Losses for Off Balance Sheet | $ 943 | $ 1,100

X
- Definition Represents fixed interest rate commitments to extend credit, as of balance sheet date. + References No definition available. + Details
Name: | atlo_FixedInterestRateCommitmentsToExtendCredit
Namespace Prefix: | atlo_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition This line item represents liabilities to cover estimated credit losses for off-balance-sheet loan commitments and standby letters of credit. + References No definition available. + Details
Name: | atlo_LiabilitiesToCoverCreditLossesForOffBalanceSheet
Namespace Prefix: | atlo_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant