OFFSETTING ASSETS AND LIABILITIES (Derivatives Assets And Liability) (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Off Setting Derivative Assets [Abstract]
Gross Amounts of Recognized Assets	$ 878
Gross Amounts Offset in the Statement of Financial Position	0
Net Amounts of Assets presented in the Statement of Financial Position	878
Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments	0
Gross Amounts Not Offset in the Statement of Financial Position, Cash Collateral Received	0
Net Amount	878
Offsetting Derivative Liabilities [Abstract]
Gross Amounts of Recognized Liabilities	114,396	121,883
Gross Amounts Offset in the Statement of Financial Position	0
Net Amounts of Liabilities presented in the Statement of Financial Position	114,396	121,883
Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments	(113,515)	(121,883)
Gross Amounts Not Offset in the Statement of Financial Position, Cash Collateral Pledged	(881)	0
Net Amount	0	0
Interest Rate Swap [Member]
Off Setting Derivative Assets [Abstract]
Gross Amounts of Recognized Assets	878
Gross Amounts Offset in the Statement of Financial Position	0
Net Amounts of Assets presented in the Statement of Financial Position	878
Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments	0
Gross Amounts Not Offset in the Statement of Financial Position, Cash Collateral Received	0
Net Amount	878
Offsetting Derivative Liabilities [Abstract]
Gross Amounts of Recognized Liabilities	881
Gross Amounts Offset in the Statement of Financial Position	0
Net Amounts of Liabilities presented in the Statement of Financial Position	881
Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments	0
Gross Amounts Not Offset in the Statement of Financial Position, Cash Collateral Pledged	(881)
Net Amount	0
Repurchase Agreements [Member]
Offsetting Derivative Liabilities [Abstract]
Gross Amounts of Recognized Liabilities	113,515	121,883
Gross Amounts Offset in the Statement of Financial Position	0	0
Net Amounts of Liabilities presented in the Statement of Financial Position	113,515	121,883
Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments	(113,515)	(121,883)
Gross Amounts Not Offset in the Statement of Financial Position, Cash Collateral Pledged	0	0
Net Amount	$ 0	$ 0

Amount of obligation to return cash collateral under master netting arrangements not offset against derivative assets.

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- Definition

Derivative Asset Gross Value Offset

+ References

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- Definition

Derivative Asset Net Value Offset

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- Definition

Amount of right to receive cash collateral under master netting arrangements offset against derivative liabilities.

+ References

No definition available.

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- Definition

Derivative Liability Gross Value Offset

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Derivative Liability Net Value Offset

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- Definition

Fair values as of the balance sheet date of all assets resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

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Fair value of derivative asset, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.

+ References

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-Publisher FASB

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The amount as of the balance sheet date of the fair value of derivative assets that in accordance with the entity's accounting policy was not offset against an obligation to return cash collateral under a master netting arrangement.

+ References

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

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Fair value of derivative liability, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.

+ References

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The amount as of the balance sheet date of the fair value of derivative liabilities that in accordance with the entity's accounting policy was not offset against the right to reclaim cash collateral under a master netting arrangement.

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Fair values as of the balance sheet date of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements.

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