LOAN PORTFOLIO - Breakdown Between Accrual and Nonaccrual Status of TDRs (Parenthetical) (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014		Jun. 30, 2014	Dec. 31, 2013
Financing Receivable Modifications [Line Items]
Total TDR loans	$ 701,143	[1]	$ 628,233	$ 630,258	[2]
Performing Financing Receivable [Member] | Non Accrual [Member]
Financing Receivable Modifications [Line Items]
Total TDR loans	$ 65,800			$ 95,700

[1]  Excludes TDRs held for sale amounting to $45.7 million as of September 30, 2014

[2]  Excludes TDRs held for sale amounting to $45.9 million as of December 31, 2013.