FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended				9 Months Ended																3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended				3 Months Ended	9 Months Ended		3 Months Ended				9 Months Ended				3 Months Ended		9 Months Ended
	Sep. 30, 2011		Sep. 30, 2012	Sep. 30, 2011		Dec. 31, 2011	Sep. 30, 2012 Domestic Equity Mutual Funds Trading Securities [Member]	Sep. 30, 2011 Domestic Equity Mutual Funds Trading Securities [Member]	Sep. 30, 2012 International Equity Mutual Funds Trading Securities [Member]	Sep. 30, 2011 International Equity Mutual Funds Trading Securities [Member]	Sep. 30, 2012 Fixed Income Mutual Funds Trading Securities [Member]	Sep. 30, 2011 Fixed Income Mutual Funds Trading Securities [Member]	Sep. 30, 2012 Agency Securities [Member]	Sep. 30, 2011 Agency Securities [Member]	Sep. 30, 2012 Domestic Equity Mutual Funds Available For Saletrading Securities Member [Member]	Sep. 30, 2011 Domestic Equity Mutual Funds Available For Saletrading Securities Member [Member]	Sep. 30, 2012 International Equity Mutual Funds Available For Sale Securities [Member]	Sep. 30, 2011 International Equity Mutual Funds Available For Sale Securities [Member]	Sep. 30, 2012 Fixed Income Mutual Funds Available For Sale Securities [Member]	Sep. 30, 2011 Fixed Income Mutual Funds Available For Sale Securities [Member]	Sep. 30, 2012 Mortgage Backed Securities Available For Sale [Member]	Sep. 30, 2011 Mortgage Backed Securities Available For Sale [Member]	Sep. 30, 2012 Multifamily Residential And Residential Mixed Use Allowance [Member]		Sep. 30, 2011 Multifamily Residential And Residential Mixed Use Allowance [Member]		Sep. 30, 2012 Multifamily Residential And Residential Mixed Use Allowance [Member]		Sep. 30, 2011 Multifamily Residential And Residential Mixed Use Allowance [Member]		Sep. 30, 2012 Mixed Use Commercial Real Estate Allowance [Member]		Sep. 30, 2011 Mixed Use Commercial Real Estate Allowance [Member]		Sep. 30, 2012 Mixed Use Commercial Real Estate Allowance [Member]		Sep. 30, 2011 Mixed Use Commercial Real Estate Allowance [Member]		Sep. 30, 2011 Construction Loan Receivable [Member]	Sep. 30, 2011 Construction Loan Receivable [Member]		Sep. 30, 2012 Commercial Real Estate [Member]		Sep. 30, 2011 Commercial Real Estate [Member]		Sep. 30, 2012 Commercial Real Estate [Member]		Sep. 30, 2011 Commercial Real Estate [Member]		Sep. 30, 2012 One-to Four-Family Residential and Cooperative Unit [Member]	Sep. 30, 2011 One-to Four-Family Residential and Cooperative Unit [Member]	Sep. 30, 2012 One-to Four-Family Residential and Cooperative Unit [Member]		Sep. 30, 2011 One-to Four-Family Residential and Cooperative Unit [Member]	Sep. 30, 2012 Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2011 Fair Value, Inputs, Level 1 [Member]		Sep. 30, 2012 Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2011 Fair Value, Inputs, Level 2 [Member]		Sep. 30, 2012 Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2011 Fair Value, Inputs, Level 3 [Member]		Sep. 30, 2012 Fair Value, Measurements, Recurring [Member]	Dec. 31, 2011 Fair Value, Measurements, Recurring [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member]	Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member]		Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Fair Value, Inputs, Level 1 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Fair Value, Inputs, Level 2 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities Domestic Equity Mututal Fund Fair Value Disclosure																																																							$ 919	$ 780		$ 0	$ 0		$ 0	$ 0		$ 919	$ 780
Trading Securities International Equity Mututal Fund Fair Value Disclosure																																																							121	108		0	0		0	0		121	108
Trading Securities Fixed Income Mututal Fund Fair Value Disclosure																																																							2,392	886		0	0		0	0		2,392	886
Available For Sale Agency Obligations Fair Value Disclosure																																																							0	0		49,987	170,309		0	0		49,987	170,309
Available For Sale Securities Domestic Equity Mutual Fund Fair Value Disclosure																																																							3,563	3,162		0	0		0	0		3,563	3,162
Available For Sale Securities International Equity Mutual Fund Fair Value Disclosure																																																							335	315		0	0		0	0		335	315
Available For Sale Securities Fixed Income Mutual Fund Fair Value Disclosure																																																							1,141	1,082		0	0		0	0		1,141	1,082
Mortgage-backed Securities Available-for-sale, Fair Value Disclosure			81,792			93,877																																																	0	0		81,792	93,877		0	0		81,792	93,877
Held To Maturity Investment Securities TRUPS Fair Value Disclosure																																																								0	[1]		0	[1]		285	[1]				285	[1]
ImpairedLoansReceivableOneToFourFamilyResidentialRealEstateFairValue																																																								0			0			2,013				211	2,013		0	0	211
Impaired Loans Receivable Multifamily Residential And Residential Mixed Use Real Estate Fair Value Disclosure																																																								0			0			1,932				450	1,932		0	0	450
Impaired Loans Receivable Mixed Use Commercial Real Estate Fair Value Disclosure																																																								0			0			2,687				721	2,687		0	0	721
Impaired Loans Receivable Commercial Real Estate Fair Value Disclosure																																																								0			5,500			3,445				6,472	8,945		0	5,500	972
Gain (Loss) on Investments [Line Items]
Trading Securities, Change in Unrealized Holding Gain (Loss)			136	(105)			0	0	0	0	0	0
Available-for-sale Securities, Gross Realized Gain (Loss), Excluding Other than Temporary Impairments													0	0	0	0	0	0	0	0	0	0
Other than Temporary Impairment Losses, Investments, Total	83	[1]		720	[1]
Impaired Loans Receivable Balance Of Loans Charged Off In Period																							243	[2]	39	[3]	2,295	[2]	409	[3]	8	[2]	65	[3]	659	[2]	325	[3]	0	725	[3]	14	[2]	44	[3]	498	[2]	1,506	[3]	0	0	221	[2]	0
Outstanding Principal Balance Of Impaired Loans Measured At Fair Value			9,549
Cumulative principal charge offs on impaired loans measured at fair value			1,695
Recorded balance of impaired loans measured at fair value			$ 7,854

[1] (1) Amount represents the fair value of one TRUP that was deemed to have credit-related OTTI at December 31, 2011. At December 31, 2011, four additional TRUPS with an aggregate fair value of $1,427 were not carried at fair value despite previously meeting the OTTI criteria. Under ASC 320-10-65, these held-to-maturity securities are only carried at fair value in the event that they incur additional credit-related impairment at period end, which did not occur at December 31, 2011. Losses for the period represent the total OTTI recognized on three TRUPS (credit or non-credit related) during the period.

[2] (1) Amount represents charge-offs recognized on impaired loans during the three-month and nine-month periods ended September 30, 2012.

[3] (2) Amount represents charge-offs recognized on impaired loans during the three-month and nine-month periods ended September 30, 2011.