CREDIT QUALITY ASSESSMENT (Credit Quality of Loan Portfolio by Segment) (Detail) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Financing Receivable Recorded Investment [Line Items]
Non-accrual loans and leases	$ 29,203	$ 29,211
Loans and leases 90 days past due	428	232
Restructured loans and leases	2,569	2,489
Total non-performing loans and leases	32,200	31,932
Other real estate owned	1,460	1,911
Total non-performing assets	33,660	33,843
Commercial
Financing Receivable Recorded Investment [Line Items]
Non-accrual loans and leases	6,807	5,833
Loans and leases 90 days past due	0	0
Restructured loans and leases	1,274	1,185
Total non-performing loans and leases	8,081	7,018
Other real estate owned	39	39
Total non-performing assets	8,120	7,057
Consumer
Financing Receivable Recorded Investment [Line Items]
Non-accrual loans and leases	3,111	2,859
Loans and leases 90 days past due	4	0
Restructured loans and leases	0	0
Total non-performing loans and leases	3,115	2,859
Other real estate owned	0	0
Total non-performing assets	3,115	2,859
Commercial Real Estate Portfolio Segment | Commercial Acquisition, Development and Construction
Financing Receivable Recorded Investment [Line Items]
Non-accrual loans and leases	137	137
Loans and leases 90 days past due	0	0
Restructured loans and leases	0	0
Total non-performing loans and leases	137	137
Other real estate owned	365	365
Total non-performing assets	502	502
Commercial Real Estate Portfolio Segment | Commercial Investor Real Estate
Financing Receivable Recorded Investment [Line Items]
Non-accrual loans and leases	6,934	8,107
Loans and leases 90 days past due	0	0
Restructured loans and leases	0	0
Total non-performing loans and leases	6,934	8,107
Other real estate owned	395	395
Total non-performing assets	7,329	8,502
Commercial Real Estate Portfolio Segment | Commercial Owner Occupied Real Estate
Financing Receivable Recorded Investment [Line Items]
Non-accrual loans and leases	4,926	4,823
Loans and leases 90 days past due	424	0
Restructured loans and leases	741	744
Total non-performing loans and leases	6,091	5,567
Other real estate owned	0	637
Total non-performing assets	6,091	6,204
Residential Real Estate Portfolio Segment | Residential Mortgage
Financing Receivable Recorded Investment [Line Items]
Non-accrual loans and leases	7,101	7,257
Loans and leases 90 days past due	0	232
Restructured loans and leases	554	560
Total non-performing loans and leases	7,655	8,049
Other real estate owned	661	475
Total non-performing assets	8,316	8,524
Residential Real Estate Portfolio Segment | Residential Construction
Financing Receivable Recorded Investment [Line Items]
Non-accrual loans and leases	187	195
Loans and leases 90 days past due	0	0
Restructured loans and leases	0	0
Total non-performing loans and leases	187	195
Other real estate owned	0	0
Total non-performing assets	$ 187	$ 195