FHLBNY ADVANCES (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
FHLBNY advances	$ 842,500	$ 939,775
Average interest cost (in hundredths)	2.96%	3.17%	3.51%
Federal Home Loan Bank, Advances, Fiscal Year Maturity [Abstract]
2013	218,500
2014	199,500
2015	284,500
2016	50,000
2017	90,000
2018 and beyond	0
Total	842,500
Interest rate on outstanding advances (in hundredths)	2.68%	2.88%
FHLBNY Borrowing Capacity	$ 1,362,495	$ 1,403,533
Federal Home Loan Bank, Advances, Maturities Summary, Average Interest Rate of Amounts Due [Abstract]
2013	1.77%
2014	2.92%
2015	2.55%
2016	4.36%
2017	3.87%
2018 and beyond	0.00%
TOTAL	2.68%

The maximum borrowing capacity with the Federal Home Loan Bank of New York at period end.

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The calculated weighted average interest rate for Federal Home Loan Bank advances for the period ended as of the Balance Sheet date.

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States the interest rate applicable to Federal Home Loan Bank advances outstanding as of the Balance Sheet date.

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States the weighted average interest rate applicable to the advances from the Federal Home Loan Bank outstanding as of the Balance Sheet date.

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Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer.

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Amount of federal home loan bank advances. Advances are loans from the federal home loan bank system to a member (shareholder).

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The weighted average interest rate applicable to the Federal Home Loan Bank advances which are due after five years of the Balance Sheet date.

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The weighted average interest rate applicable to the Federal Home Loan Bank advances which are due from four to five years of the Balance Sheet date.

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The weighted average interest rate applicable to the Federal Home Loan Bank advances which are due within one year of the Balance Sheet date.

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The weighted average interest rate applicable to the Federal Home Loan Bank advances which are due from one to two years of the Balance Sheet date.

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The weighted average interest rate applicable to the Federal Home Loan Bank advances which are due from three to four years of the Balance Sheet date.

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Amount of federal home loan bank advances maturing after the fifth fiscal year following the latest fiscal year.

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Amount of federal home loan bank advances maturing in the fourth fiscal year following the latest fiscal year.

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