CREDIT QUALITY ASSESSMENT (Troubled Debt Restructured Loans for Specific Segments of the Loan Portfolio) (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015
Financing Receivable Modifications [Line Items]
Restructured accruing	$ 600	$ 1,900
Troubled Debt Restructuring
Financing Receivable Modifications [Line Items]
Restructured accruing	550	1,243
Restructured non-accruing	0	639
Balance	550	1,882
Specific allowance	39	452
Restructured and subsequently defaulted	479	0
Troubled Debt Restructuring \| Commercial
Financing Receivable Modifications [Line Items]
Restructured accruing	42	1,003
Restructured non-accruing	0	0
Balance	42	1,003
Specific allowance	39	303
Restructured and subsequently defaulted	0	0
Troubled Debt Restructuring \| All Other
Financing Receivable Modifications [Line Items]
Restructured accruing	0	0
Restructured non-accruing	0	0
Balance	0	0
Specific allowance	0	0
Restructured and subsequently defaulted	0	0
Commercial Portfolio Segment \| Troubled Debt Restructuring \| Commercial Acquisition, Development and Construction
Financing Receivable Modifications [Line Items]
Restructured accruing	0	0
Restructured non-accruing	0	0
Balance	0	0
Specific allowance	0	0
Restructured and subsequently defaulted	0	0
Commercial Portfolio Segment \| Troubled Debt Restructuring \| Commercial Investor Real Estate
Financing Receivable Modifications [Line Items]
Restructured accruing	0	0
Restructured non-accruing	0	0
Balance	0	0
Specific allowance	0	0
Restructured and subsequently defaulted	479	0
Commercial Portfolio Segment \| Troubled Debt Restructuring \| Commercial Owner Occupied Real Estate
Financing Receivable Modifications [Line Items]
Restructured accruing	508	240
Restructured non-accruing	0	639
Balance	508	879
Specific allowance	0	149
Restructured and subsequently defaulted	$ 0	$ 0

- Definition

Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default.

+ References

No definition available.

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- Definition

Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months.

+ References

No definition available.

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- Definition

Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which restructured accruing.

+ References

No definition available.

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- Definition

Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which restructured non accruing.

+ References

No definition available.

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- Definition

Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for specific allowance.

+ References

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- 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

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