LITIGATION (Detail) - CommerceFirst Bank - Settled Litigation [Member] - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015	Dec. 31, 2012
Loss Contingencies [Line Items]
Loss Contingency, Name of Plaintiff	CommerceFirst Bank
Business Acquisition, Effective Date of Acquisition			Dec. 31, 2012
Loss Contingency, Settlement Agreement, Date	12/31/2015
Litigation Settlement, Amount		$ 4.5