XML 56 R45.htm IDEA: XBRL DOCUMENT
v3.21.1

Note 7 - Loans Receivable and Credit Disclosures - Impaired Loans (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Impaired financing receivable with no related allowance, recorded investment | $ 2,869 | $ 3,148
Impaired financing receivable with no related allowance, unpaid principal balance | 3,933 | 3,788
Impaired financing receivable with related allowance, recorded investment | 10,555 | 12,125
Impaired financing receivable with related allowance, unpaid principal balance | 10,710 | 13,205
Impaired financing receivable, related allowance | 1,656 | 1,819
Impaired financing receivable, recorded investment | 13,424 | 15,273
Impaired financing receivable, unpaid principal balance | 14,643 | 16,993
Construction Real Estate [Member] |  |
Impaired financing receivable with no related allowance, recorded investment | 167 | 167
Impaired financing receivable with no related allowance, unpaid principal balance | 167 | 167
Impaired financing receivable with related allowance, recorded investment | 0 | 0
Impaired financing receivable with related allowance, unpaid principal balance | 0 | 0
Impaired financing receivable, related allowance | 0 | 0
Impaired financing receivable, recorded investment | 167 | 167
Impaired financing receivable, unpaid principal balance | 167 | 167
Family Residential Real Estate 1-4 [Member] |  |
Impaired financing receivable with no related allowance, recorded investment | 306 | 416
Impaired financing receivable with no related allowance, unpaid principal balance | 360 | 475
Impaired financing receivable with related allowance, recorded investment | 93 | 924
Impaired financing receivable with related allowance, unpaid principal balance | 98 | 1,278
Impaired financing receivable, related allowance | 17 | 150
Impaired financing receivable, recorded investment | 399 | 1,340
Impaired financing receivable, unpaid principal balance | 458 | 1,753
Commercial Real Estate Portfolio Segment [Member] |  |
Impaired financing receivable with no related allowance, recorded investment | 141 | 242
Impaired financing receivable with no related allowance, unpaid principal balance | 168 | 578
Impaired financing receivable with related allowance, recorded investment | 10,016 | 10,016
Impaired financing receivable with related allowance, unpaid principal balance | 10,157 | 10,157
Impaired financing receivable, related allowance | 1,486 | 1,486
Impaired financing receivable, recorded investment | 10,157 | 10,258
Impaired financing receivable, unpaid principal balance | 10,325 | 10,735
Agriculture Real Estate [Member] |  |
Impaired financing receivable with no related allowance, recorded investment | 1,091 | 1,664
Impaired financing receivable with no related allowance, unpaid principal balance | 1,140 | 1,698
Impaired financing receivable with related allowance, recorded investment | 0 | 0
Impaired financing receivable with related allowance, unpaid principal balance | 0 | 0
Impaired financing receivable, related allowance | 0 | 0
Impaired financing receivable, recorded investment | 1,091 | 1,664
Impaired financing receivable, unpaid principal balance | 1,140 | 1,698
Commercial Portfolio Segment [Member] |  |
Impaired financing receivable with no related allowance, recorded investment | 817 | 274
Impaired financing receivable with no related allowance, unpaid principal balance | 1,560 | 318
Impaired financing receivable with related allowance, recorded investment | 0 | 666
Impaired financing receivable with related allowance, unpaid principal balance | 0 | 1,247
Impaired financing receivable, related allowance | 0 | 115
Impaired financing receivable, recorded investment | 817 | 940
Impaired financing receivable, unpaid principal balance | 1,560 | 1,565
Agriculture [Member] |  |
Impaired financing receivable with no related allowance, recorded investment | 343 | 377
Impaired financing receivable with no related allowance, unpaid principal balance | 533 | 542
Impaired financing receivable with related allowance, recorded investment | 404 | 482
Impaired financing receivable with related allowance, unpaid principal balance | 411 | 484
Impaired financing receivable, related allowance | 120 | 40
Impaired financing receivable, recorded investment | 747 | 859
Impaired financing receivable, unpaid principal balance | 944 | 1,026
Consumer and Other [Member] |  |
Impaired financing receivable with no related allowance, recorded investment | 4 | 8
Impaired financing receivable with no related allowance, unpaid principal balance | 5 | 10
Impaired financing receivable with related allowance, recorded investment | 42 | 37
Impaired financing receivable with related allowance, unpaid principal balance | 44 | 39
Impaired financing receivable, related allowance | 33 | 28
Impaired financing receivable, recorded investment | 46 | 45
Impaired financing receivable, unpaid principal balance | $ 49 | $ 49

X
- Definition Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of allowance for credit losses related to recorded investment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRelatedAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in impaired financing receivables for which there is no related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of unpaid principal balance of impaired financing receivables for which there is no related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in impaired financing receivables for which there is a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Unpaid principal balance of impaired financing receivables for which there is a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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

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

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=atlo_AgricultureMember
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: |