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Balance Type:	credit
Period Type:	instant

- References

No definition available.

Name:	abcb_OtherBorrowingsLineItems
Namespace Prefix:	abcb_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Unaccreted Portion Of Fair Value Adjustment, Net

No definition available.

Name:	abcb_UnaccretedPortionOfFairValueAdjustmentNet
Namespace Prefix:	abcb_
Data Type:	xbrli:monetaryItemType
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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 835
-SubTopic 30
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Name:	us-gaap_DebtInstrumentInterestRateEffectivePercentage
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The carrying amount as of the balance sheet date for the aggregate of other miscellaneous borrowings owed by the reporting entity.

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-Topic 942
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Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets.

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-Topic 944
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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

No definition available.