XML 56 R45.htm IDEA: XBRL DOCUMENT v3.24.3

Note 7 - Loans Receivable and Credit Disclosures - Amortized Cost Basis of Collateral Dependent Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022
Allowance for credit loss	$ 17,562	$ 17,203	$ 16,776	$ 16,118	$ 16,319	$ 15,697
Construction Real Estate [Member]
Allowance for credit loss	564	413	408	416	412	730
Family Residential Real Estate 1-4 [Member]
Allowance for credit loss	3,750	3,349	3,333	3,258	3,357	3,028
Multifamily [Member]
Allowance for credit loss	2,211	2,584	2,542	2,495	2,524	2,493
Commercial Real Estate Portfolio Segment [Member]
Allowance for credit loss	5,009	5,530	5,236	4,998	5,033	4,742
Agriculture Real Estate [Member]
Allowance for credit loss	1,559	1,226	1,238	1,229	1,214	1,625
Commercial Portfolio Segment [Member]
Allowance for credit loss	2,323	1,912	1,955	1,874	2,014	1,153
Agriculture [Member]
Allowance for credit loss	1,715	1,710	1,607	1,398	1,358	1,705
Consumer and Other [Member]
Allowance for credit loss	431	$ 479	457	$ 450	$ 407	$ 221
Real Estate [Member]
Financing Receivable Individually Evaluated For Impairment	15,355		12,577
Real Estate [Member] | Construction Real Estate [Member]
Financing Receivable Individually Evaluated For Impairment	62		66
Real Estate [Member] | Family Residential Real Estate 1-4 [Member]
Financing Receivable Individually Evaluated For Impairment	500		678
Real Estate [Member] | Multifamily [Member]
Financing Receivable Individually Evaluated For Impairment	2,020		2,034
Real Estate [Member] | Commercial Real Estate Portfolio Segment [Member]
Financing Receivable Individually Evaluated For Impairment	11,360		8,993
Real Estate [Member] | Agriculture Real Estate [Member]
Financing Receivable Individually Evaluated For Impairment	1,087		449
Real Estate [Member] | Commercial Portfolio Segment [Member]
Financing Receivable Individually Evaluated For Impairment	108		118
Real Estate [Member] | Agriculture [Member]
Financing Receivable Individually Evaluated For Impairment	218		239
Real Estate [Member] | Consumer and Other [Member]
Financing Receivable Individually Evaluated For Impairment	0		0
Equipment [Member]
Financing Receivable Individually Evaluated For Impairment	772		669
Equipment [Member] | Construction Real Estate [Member]
Financing Receivable Individually Evaluated For Impairment	0		0
Equipment [Member] | Family Residential Real Estate 1-4 [Member]
Financing Receivable Individually Evaluated For Impairment	0		0
Equipment [Member] | Multifamily [Member]
Financing Receivable Individually Evaluated For Impairment	0		0
Equipment [Member] | Commercial Real Estate Portfolio Segment [Member]
Financing Receivable Individually Evaluated For Impairment	0		0
Equipment [Member] | Agriculture Real Estate [Member]
Financing Receivable Individually Evaluated For Impairment	0		0
Equipment [Member] | Commercial Portfolio Segment [Member]
Financing Receivable Individually Evaluated For Impairment	763		0
Equipment [Member] | Agriculture [Member]
Financing Receivable Individually Evaluated For Impairment	9		669
Equipment [Member] | Consumer and Other [Member]
Financing Receivable Individually Evaluated For Impairment	0		0
Other [Member]
Financing Receivable Individually Evaluated For Impairment	1,335		503
Other [Member] | Construction Real Estate [Member]
Financing Receivable Individually Evaluated For Impairment	0		0
Other [Member] | Family Residential Real Estate 1-4 [Member]
Financing Receivable Individually Evaluated For Impairment	0		0
Other [Member] | Multifamily [Member]
Financing Receivable Individually Evaluated For Impairment	0		0
Other [Member] | Commercial Real Estate Portfolio Segment [Member]
Financing Receivable Individually Evaluated For Impairment	0		0
Other [Member] | Agriculture Real Estate [Member]
Financing Receivable Individually Evaluated For Impairment	0		0
Other [Member] | Commercial Portfolio Segment [Member]
Financing Receivable Individually Evaluated For Impairment	934		101
Other [Member] | Agriculture [Member]
Financing Receivable Individually Evaluated For Impairment	396		402
Other [Member] | Consumer and Other [Member]
Financing Receivable Individually Evaluated For Impairment	5		0
Collateral Pledged [Member]
Financing Receivable Individually Evaluated For Impairment	17,462		13,749
Allowance for credit loss	635		106
Collateral Pledged [Member] | Construction Real Estate [Member]
Financing Receivable Individually Evaluated For Impairment	62		66
Allowance for credit loss	0		0
Collateral Pledged [Member] | Family Residential Real Estate 1-4 [Member]
Financing Receivable Individually Evaluated For Impairment	500		678
Allowance for credit loss	40		10
Collateral Pledged [Member] | Multifamily [Member]
Financing Receivable Individually Evaluated For Impairment	2,020		2,034
Allowance for credit loss	0		0
Collateral Pledged [Member] | Commercial Real Estate Portfolio Segment [Member]
Financing Receivable Individually Evaluated For Impairment	11,360		8,993
Allowance for credit loss	0		0
Collateral Pledged [Member] | Agriculture Real Estate [Member]
Financing Receivable Individually Evaluated For Impairment	1,087		449
Allowance for credit loss	0		0
Collateral Pledged [Member] | Commercial Portfolio Segment [Member]
Financing Receivable Individually Evaluated For Impairment	1,805		219
Allowance for credit loss	559		96
Collateral Pledged [Member] | Agriculture [Member]
Financing Receivable Individually Evaluated For Impairment	623		1,310
Allowance for credit loss	36		0
Collateral Pledged [Member] | Consumer and Other [Member]
Financing Receivable Individually Evaluated For Impairment	5		0
Allowance for credit loss	$ 0		$ 0

X

- Definition

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11B
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-11B

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph c
-Publisher SEC

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph a
-Subparagraph (1)
-Publisher SEC

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph a
-Subparagraph (3)
-Publisher SEC

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(7)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

+ Details

Name:	us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of financing receivable individually evaluated for credit loss. Excludes financing receivable collectively evaluated for credit loss.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 4
-Subparagraph (SAB Topic 6.L.5.a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480418/310-10-S99-4

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11C
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-11C

+ Details

Name:	us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
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=srt_MultifamilyMember
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:

X

- Details

Name:	us-gaap_CollateralAxis=us-gaap_RealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CollateralAxis=us-gaap_EquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CollateralAxis=atlo_OtherMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CollateralAxis=us-gaap_CollateralPledgedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: