LOAN PORTFOLIO - Loan Modifications Considered Troubled Debt Restructurings Defaulted (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014 numberofcontracts	Sep. 30, 2013 numberofcontracts	Sep. 30, 2014 numberofcontracts	Sep. 30, 2013 numberofcontracts
Financing Receivable Modifications [Line Items]
Number of Contracts	104	12	258	131
Recorded Investment	$ 7,622	$ 1,952	$ 13,193	$ 62,043
Non Fha Va Residential Mortgage Loans [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts	12	11	45	75
Recorded Investment	1,950	1,934	6,769	11,549
Commercial Mortgage Loans [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts	2	0	2	1
Recorded Investment	4,604	0	4,604	46,102
Commercial And Industrial Loan [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts	1	0	1	2
Recorded Investment	377	0	377	3,829
Construction Loans [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts
Recorded Investment
Consumer Auto Loans [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts	21	0	43	7
Recorded Investment	347	0	672	54
Other Consumer Loans [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts	64	0	162	40
Recorded Investment	262	0	643	219
Finance Leases [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts	4	1	4	3
Recorded Investment	82	18	82	38
Residential Construction [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts			0	1
Recorded Investment			0	186
Land Construction [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts			1	2
Recorded Investment			$ 46	$ 66