INVESTMENT SECURITIES (Details 3) (USD $)	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
INVESTMENT SECURITIES
Gross gains on sale of investment securities	$ 13,900,000	$ 28,200,000	$ 18,100,000
Gross losses on sale of investment securities	1,800,000	27,400,000	8,400,000
Net income statement impact of gain on sale of investment securities	12,100,000	757,000	9,700,000
Tax expense on sale of investment securities	5,100,000	318,000	4,100,000
Net proceeds for sales of investment securities	$ 663,600,000	$ 1,230,000,000	$ 702,600,000

Represents tax expense on sale of available for sale investment securities.

No definition available.

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Data Type:	xbrli:monetaryItemType
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- Definition

This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 9

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

+ References

+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

The total amount of proceeds received for the sale of securities, categorized neither as held-to-maturity nor trading securities, during the reporting period.

+ References

+ Details

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- Definition

This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

+ References

+ Details

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- Details

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