CREDIT QUALITY ASSESSMENT (Credit Quality of Loan Portfolio by Segment) (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Financing Receivable Recorded Investment [Line Items]
Non-accrual loans and leases	$ 31,378	$ 30,031
Loans and leases 90 days past due	1	0
Restructured loans and leases	4,716	4,467
Total non-performing loans and leases	36,095	34,498
Other real estate owned	2,414	2,742
Total non-performing assets	38,509	37,240
Commercial
Financing Receivable Recorded Investment [Line Items]
Non-accrual loans and leases	3,741	3,696
Loans and leases 90 days past due	0	0
Restructured loans and leases	1,337	1,577
Total non-performing loans and leases	5,078	5,273
Other real estate owned	39	39
Total non-performing assets	5,117	5,312
Leases
Financing Receivable Recorded Investment [Line Items]
Non-accrual loans and leases	0	0
Consumer
Financing Receivable Recorded Investment [Line Items]
Non-accrual loans and leases	2,715	2,193
Loans and leases 90 days past due	1	0
Restructured loans and leases	0	0
Total non-performing loans and leases	2,716	2,193
Other real estate owned	690	690
Total non-performing assets	3,406	2,883
Commercial Real Estate Portfolio Segment | Commercial Acquisition, Development and Construction
Financing Receivable Recorded Investment [Line Items]
Non-accrual loans and leases	147	194
Loans and leases 90 days past due	0	0
Restructured loans and leases	0	0
Total non-performing loans and leases	147	194
Other real estate owned	365	365
Total non-performing assets	512	559
Commercial Real Estate Portfolio Segment | Commercial Investor Real Estate
Financing Receivable Recorded Investment [Line Items]
Non-accrual loans and leases	7,885	8,368
Loans and leases 90 days past due	0	0
Restructured loans and leases	2,058	2,073
Total non-performing loans and leases	9,943	10,441
Other real estate owned	433	433
Total non-performing assets	10,376	10,874
Commercial Real Estate Portfolio Segment | Commercial Owner Occupied Real Estate
Financing Receivable Recorded Investment [Line Items]
Non-accrual loans and leases	7,149	6,340
Loans and leases 90 days past due	0	0
Restructured loans and leases	748	240
Total non-performing loans and leases	7,897	6,580
Other real estate owned	0	0
Total non-performing assets	7,897	6,580
Residential Real Estate Portfolio Segment | Residential Mortgage
Financing Receivable Recorded Investment [Line Items]
Non-accrual loans and leases	9,329	8,822
Loans and leases 90 days past due	0	0
Restructured loans and leases	573	577
Total non-performing loans and leases	9,902	9,399
Other real estate owned	887	1,215
Total non-performing assets	10,789	10,614
Residential Real Estate Portfolio Segment | Residential Construction
Financing Receivable Recorded Investment [Line Items]
Non-accrual loans and leases	412	418
Loans and leases 90 days past due	0	0
Restructured loans and leases	0	0
Total non-performing loans and leases	412	418
Other real estate owned	0	0
Total non-performing assets	$ 412	$ 418