DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Effect of Derivative Instruments on Statement of Income (Loss) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Economic undesignated hedges:
Total gain (loss) on derivatives	$ (72)	$ 148
Interest Income Loans [Member] | Interest Rate Swap [Member]
Economic undesignated hedges:
Total gain (loss) on derivatives	0	313
Mortgage Banking Activities [Member] | Forward Contracts [Member]
Economic undesignated hedges:
Total gain (loss) on derivatives	$ (72)	$ (165)