CREDIT QUALITY ASSESSMENT (Credit Quality of Loan Portfolio by Segment) (Detail) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Financing Receivable Recorded Investment [Line Items]
Non-accrual loans and leases	$ 29,303	$ 30,031
Loans and leases 90 days past due	163	0
Restructured loans and leases	2,512	4,467
Total non-performing loans and leases	31,978	34,498
Other real estate owned	1,274	2,742
Total non-performing assets	33,252	37,240
Commercial
Financing Receivable Recorded Investment [Line Items]
Non-accrual loans and leases	4,140	3,696
Loans and leases 90 days past due	163	0
Restructured loans and leases	1,203	1,577
Total non-performing loans and leases	5,506	5,273
Other real estate owned	39	39
Total non-performing assets	5,545	5,312
Consumer
Financing Receivable Recorded Investment [Line Items]
Non-accrual loans and leases	2,726	2,193
Loans and leases 90 days past due	0	0
Restructured loans and leases	0	0
Total non-performing loans and leases	2,726	2,193
Other real estate owned	0	690
Total non-performing assets	2,726	2,883
Commercial Real Estate Portfolio Segment | Commercial Acquisition, Development and Construction
Financing Receivable Recorded Investment [Line Items]
Non-accrual loans and leases	137	194
Loans and leases 90 days past due	0	0
Restructured loans and leases	0	0
Total non-performing loans and leases	137	194
Other real estate owned	365	365
Total non-performing assets	502	559
Commercial Real Estate Portfolio Segment | Commercial Investor Real Estate
Financing Receivable Recorded Investment [Line Items]
Non-accrual loans and leases	9,189	8,368
Loans and leases 90 days past due	0	0
Restructured loans and leases	0	2,073
Total non-performing loans and leases	9,189	10,441
Other real estate owned	395	433
Total non-performing assets	9,584	10,874
Commercial Real Estate Portfolio Segment | Commercial Owner Occupied Real Estate
Financing Receivable Recorded Investment [Line Items]
Non-accrual loans and leases	5,591	6,340
Loans and leases 90 days past due	0	0
Restructured loans and leases	745	240
Total non-performing loans and leases	6,336	6,580
Other real estate owned	0	0
Total non-performing assets	6,336	6,580
Residential Real Estate Portfolio Segment | Residential Mortgage
Financing Receivable Recorded Investment [Line Items]
Non-accrual loans and leases	7,321	8,822
Loans and leases 90 days past due	0	0
Restructured loans and leases	564	577
Total non-performing loans and leases	7,885	9,399
Other real estate owned	475	1,215
Total non-performing assets	8,360	10,614
Residential Real Estate Portfolio Segment | Residential Construction
Financing Receivable Recorded Investment [Line Items]
Non-accrual loans and leases	199	418
Loans and leases 90 days past due	0	0
Restructured loans and leases	0	0
Total non-performing loans and leases	199	418
Other real estate owned	0	0
Total non-performing assets	$ 199	$ 418