XML 55 R44.htm IDEA: XBRL DOCUMENT v3.21.1

Note 7 - Loans Receivable and Credit Disclosures - Loans Receivable Impairment Analysis (Details) - USD ($) $ in Thousands		Mar. 31, 2021	Dec. 31, 2020
Individually evaluated for impairment		$ 13,424	$ 15,273
Collectively evaluated for impairment		1,126,537	1,132,304
Balance March 31, 2021		1,139,961	1,147,577
Construction Real Estate [Member]
Individually evaluated for impairment		167	167
Collectively evaluated for impairment		53,168	45,330
Balance March 31, 2021		53,335	45,497
Family Residential Real Estate 1-4 [Member]
Individually evaluated for impairment		399	1,340
Collectively evaluated for impairment		206,594	212,222
Balance March 31, 2021		206,993	213,562
Commercial Real Estate Portfolio Segment [Member]
Individually evaluated for impairment		10,157	10,258
Collectively evaluated for impairment		486,998	486,099
Balance March 31, 2021		497,155	496,357
Agriculture Real Estate [Member]
Individually evaluated for impairment		1,091	1,664
Collectively evaluated for impairment		144,137	150,328
Balance March 31, 2021		145,228	151,992
Commercial Portfolio Segment [Member]
Individually evaluated for impairment		817	940
Collectively evaluated for impairment		126,623	121,595
Balance March 31, 2021	[1]	127,440	122,535
Agriculture [Member]
Individually evaluated for impairment		747	859
Collectively evaluated for impairment		95,144	101,727
Balance March 31, 2021		95,891	102,586
Consumer and Other [Member]
Individually evaluated for impairment		46	45
Collectively evaluated for impairment		13,873	15,003
Balance March 31, 2021		$ 13,919	$ 15,048
[1] Commercial loan portfolio includes $59.2 million and $50.9 million of Paycheck Protection Program ("PPP") loans as of March 31, 2021 and December 31, 2020, respectively.

X

- Definition

The balance of financing receivables that were collectively evaluated for impairment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524

+ Details

Name:	us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The balance of financing receivables that were individually evaluated for impairment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524

+ Details

Name:	us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522

+ Details

Name:	us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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: