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FDIC Indemnification Asset - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Resale Agreement Counterparty [Line Items]
Loans covered	$ 56,994	$ 83,035
Covered OREO	$ 276	$ 4,034
Single Family Owner Occupied
Resale Agreement Counterparty [Line Items]
Loss share coverage, expiration date		Jun. 30, 2022
Commercial Loan
Resale Agreement Counterparty [Line Items]
Loss share coverage, expiration date	Jun. 30, 2017
Waccamaw Bank
Resale Agreement Counterparty [Line Items]
Percentage of loan and foreclosed real estate losses covered by FDIC	80.00%

X

- Definition

Agreement Expiration Date

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- Definition

Percentage of loss covered by FDIC.

+ References

No definition available.

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X

- Definition

Aggregate gross carrying amount of loans and leases receivable covered by loss sharing agreements.

+ References

No definition available.

+ Details

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X

- Definition

Carrying amount of other real estate covered by loss sharing agreements not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations that may also be included in real estate owned. Excludes real estate assets taken in settlement of troubled loans through surrender or foreclosure by banks.

+ References

No definition available.

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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X

- Details

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X

- Details

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