XML 56 R56.htm IDEA: XBRL DOCUMENT
v3.20.1

Note 8 - Loans Receivable and Credit Disclosures - Credit Risk Profile Based on Payment Activity (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Loan and lease receivable, consumer and residential | $ 223,245 | $ 220,301
Performing Financial Instruments [Member] |  |
Loan and lease receivable, consumer and residential | 221,822 | 218,899
Nonperforming Financial Instruments [Member] |  |
Loan and lease receivable, consumer and residential | 1,423 | 1,402
Family Residential Real Estate 1-4 [Member] |  |
Loan and lease receivable, consumer and residential | 204,791 | 201,510
Family Residential Real Estate 1-4 [Member] | Performing Financial Instruments [Member] |  |
Loan and lease receivable, consumer and residential | 203,392 | 200,117
Family Residential Real Estate 1-4 [Member] | Nonperforming Financial Instruments [Member] |  |
Loan and lease receivable, consumer and residential | 1,399 | 1,393
Consumer and Other [Member] |  |
Loan and lease receivable, consumer and residential | 18,454 | 18,791
Consumer and Other [Member] | Performing Financial Instruments [Member] |  |
Loan and lease receivable, consumer and residential | 18,430 | 18,782
Consumer and Other [Member] | Nonperforming Financial Instruments [Member] |  |
Loan and lease receivable, consumer and residential | $ 24 | $ 9

X
- Definition Element defines loans and lease receivable pertaining to consumer and residential loans at book value. + References No definition available. + Details
Name: | atlo_LoanAndLeaseReceivableConsumerAndResidential
Namespace Prefix: | atlo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancialInstrumentPerformanceStatusAxis=us-gaap_PerformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentPerformanceStatusAxis=us-gaap_NonperformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=atlo_FamilyResidentialRealEstate14Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=atlo_ConsumerAndOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |