LOANS AND LEASES (Loan Portfolio Segment Balances) (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 3,927,808	$ 3,495,370
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	467,286	465,765
Leases
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		0
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	456,657	450,875
Commercial Real Estate Portfolio Segment [Member] | Commercial Owner Occupied Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	775,552	678,027
Commercial Real Estate Portfolio Segment [Member] | Commercial Investor Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	928,113	719,084
Commercial Real Estate Portfolio Segment [Member] | Commercial Acquisition, Development and Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	308,279	255,980
Residential Real Estate Portfolio Segment [Member] | Residential Mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	841,692	796,358
Residential Real Estate Portfolio Segment [Member] | Residential Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 150,229	$ 129,281