FAIR VALUE - Qualitative Information Regarding Fair Value Measurements for Level 3 Financial Instruments (Detail)	3 Months Ended
	Mar. 31, 2015
Loans [Member]
Fair Value Option Quantitative Disclosures [Line Items]
Method	Income, Market, Comparable Sales, Discounted Cash Flows
Valuation technique	External appraised values; probability weighting of broker price opinions; management assumptions regarding market trends or other relevant factors
Other Real Estate Owned [Member]
Fair Value Option Quantitative Disclosures [Line Items]
Method	Income, Market, Comparable Sales, Discounted Cash Flows
Valuation technique	External appraised values; probability weighting of broker price opinions; management assumptions regarding market trends or other relevant factors
Mortgage Servicing Rights [Member]
Fair Value Option Quantitative Disclosures [Line Items]
Method	Discounted Cash Flow
Valuation technique	Weighted average prepayment rate of 10.25%; weighted average discount rate of 10.62%