FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK (Details Textual) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Letters of Credit Outstanding, Amount	$ 121.8	$ 121.9

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

No definition available.

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant