Name:	scbt_AmountOfEligibleLossesOverWhichFDICIsObligatedToReimburseSpecifiedPercentage
Namespace Prefix:	scbt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

In connection with FDIC loss share agreements, this element represents the estimated payment (undiscounted) to the FDIC in the event losses fail to reach the FDIC's expected levels.

No definition available.

Name:	scbt_BusinessCombinationFDICTrueUpArrangementsEstimatedPayment
Namespace Prefix:	scbt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of increases to the indemnification asset due to additional estimated loan losses relating to loss sharing agreements with the FDIC.

No definition available.

Name:	scbt_FDICIndemnificationAssetAdditionalEstimatedLoanLosses
Namespace Prefix:	scbt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of increases or decreases to the indemnification asset due to additional losses or recoveries on other real estate owned (OREO), relating to the loss sharing agreements with the Federal Deposit Insurance Corporation (FDIC).

No definition available.

Name:	scbt_FDICIndemnificationAssetAdditionalLossesRecoveriesOnOtherRealEstateOwned
Namespace Prefix:	scbt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Increase (decrease) to the indemnification asset due to amortization of the discount and premiums relating to loss sharing agreements with the Federal Deposit Insurance Corporation (FDIC).

No definition available.

Name:	scbt_FDICIndemnificationAssetAmortizationOfDiscountAndPremiumsNet
Namespace Prefix:	scbt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the amount of losses absorbed under the loss sharing agreement.

No definition available.

Name:	scbt_FDICIndemnificationAssetAmountOfLossesAbsorbed
Namespace Prefix:	scbt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the amount of losses assumed under the loss sharing agreement.

No definition available.

Name:	scbt_FDICIndemnificationAssetAmountOfLossesAssumed
Namespace Prefix:	scbt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of expected decreases to the indemnification asset due to expected receipt of cash payments for claims filed relating to loss sharing agreements with the Federal Deposit Insurance Corporation (FDIC).

No definition available.

Name:	scbt_FDICIndemnificationAssetCashPaymentsExpected
Namespace Prefix:	scbt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Represents the number of tranches in which eligible losses will be reimbursed or absorbed under the loss sharing agreement.

No definition available.

Name:	scbt_FDICIndemnificationAssetNumberOfTranches
Namespace Prefix:	scbt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Amount of increases to the indemnification asset due to reimbursable expenses, relating to loss sharing agreements with the Federal Deposit Insurance Corporation (FDIC).

No definition available.

Name:	scbt_FDICIndemnificationAssetReimbursableExpenses
Namespace Prefix:	scbt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the percentage of eligible losses for indemnification asset for the specified amount over which the FDIC is obligated to reimburse pursuant to the loss sharing agreement.

No definition available.

Name:	scbt_PercentageOfEligibleLossesForSpecifiedAmountOverWhichFDICIsObligatedToReimburse
Namespace Prefix:	scbt_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Represents the amount of projected shortfall in cash flows related to the agreement with the Federal Deposit Insurance Corporation for losses on assets acquired.

No definition available.

Name:	scbt_ProjectedCashFlowsRelatedToFDICReceivableForLossesOnAssetsAcquired
Namespace Prefix:	scbt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Carrying amount of receivable assets originating from the indemnification agreement with the Federal Deposit Insurance Corporation (FDIC), in which the FDIC is to partially cover losses.

No definition available.

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

Amount of increases to the indemnification asset due to acquisitions of assets relating to loss sharing agreements with the Federal Deposit Insurance Corporation (FDIC).

No definition available.

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

Amount of decreases to the indemnification asset due to cash payments received relating to loss sharing agreements with the Federal Deposit Insurance Corporation (FDIC).

No definition available.