XML 71 R57.htm IDEA: XBRL DOCUMENT v3.22.0.1

Note 4 - Loans Receivable and Credit Disclosures - Troubled Debt Restructurings (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Financing receivable modifications, number of contracts	9	6
Financing receivable modifications, pre-modification outstanding, recorded investment	$ 1,470	$ 10,273
Financing receivable modifications, post modification outstanding, recorded investment	$ 1,470	$ 10,273
Construction Real Estate [Member]
Financing receivable modifications, number of contracts	0	0
Financing receivable modifications, pre-modification outstanding, recorded investment	$ 0	$ 0
Financing receivable modifications, post modification outstanding, recorded investment	$ 0	$ 0
Family Residential Real Estate 1-4 [Member]
Financing receivable modifications, number of contracts	3	0
Financing receivable modifications, pre-modification outstanding, recorded investment	$ 578	$ 0
Financing receivable modifications, post modification outstanding, recorded investment	$ 578	$ 0
Commercial Real Estate Portfolio Segment [Member]
Financing receivable modifications, number of contracts	0	2
Financing receivable modifications, pre-modification outstanding, recorded investment	$ 0	$ 10,192
Financing receivable modifications, post modification outstanding, recorded investment	$ 0	$ 10,192
Agriculture Real Estate [Member]
Financing receivable modifications, number of contracts	2	0
Financing receivable modifications, pre-modification outstanding, recorded investment	$ 534	$ 0
Financing receivable modifications, post modification outstanding, recorded investment	$ 534	$ 0
Commercial Portfolio Segment [Member]
Financing receivable modifications, number of contracts	2	0
Financing receivable modifications, pre-modification outstanding, recorded investment	$ 64	$ 0
Financing receivable modifications, post modification outstanding, recorded investment	$ 64	$ 0
Agriculture [Member]
Financing receivable modifications, number of contracts	2	3
Financing receivable modifications, pre-modification outstanding, recorded investment	$ 294	$ 54
Financing receivable modifications, post modification outstanding, recorded investment	$ 294	$ 54
Consumer and Other [Member]
Financing receivable modifications, number of contracts	0	1
Financing receivable modifications, pre-modification outstanding, recorded investment	$ 0	$ 27
Financing receivable modifications, post modification outstanding, recorded investment	$ 0	$ 27

X

- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

+ Details

Name:	us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount, after troubled debt restructuring, of modified financing receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

+ Details

Name:	us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount, before troubled debt restructuring, of financing receivable to be modified.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

+ Details

Name:	us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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: