LOANS AND LEASES (Loan Portfolio Segment Balances) (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	$ 3,560,688	$ 3,495,370
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	451,239	465,765
Leases
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	0	0
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	447,198	450,875
Commercial Real Estate Portfolio Segment [Member] | Commercial Owner Occupied Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	675,560	678,027
Commercial Real Estate Portfolio Segment [Member] | Commercial Investor Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	783,161	719,084
Commercial Real Estate Portfolio Segment [Member] | Commercial Acquisition, Development and Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	261,204	255,980
Residential Real Estate Portfolio Segment [Member] | Residential Mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	804,105	796,358
Residential Real Estate Portfolio Segment [Member] | Residential Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	$ 138,221	$ 129,281