INVESTMENT AND MORTGAGE-BACKED SECURITIES, Major Categories of Securities Owned (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($) Security		Mar. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)
Investment securities held-to-maturity [Abstract]
Recorded amortized/historical cost	$ 5,290			$ 5,242
Fair value	6,878			7,051
Available-for-sale securities [Abstract]
Fair value	3,787			3,756
Proceeds from sale of investment securities available-for-sale	0
Proceeds from sale of mortgage backed securities available-for-sale	$ 0		$ 24,307
Gross gain recognized on sale of investment securities available for sale			1,395
Gross loss recognized on sale of investment securities available for sale			$ 7
Number of TRUP securities deemed have OTTI | Security	5
Number of TRUP securities not deemed have OTTI | Security	2
Pooled Bank Trust Preferred Securities ("TRUPS") [Member]
Available-for-sale securities [Abstract]
Securities weighted average term to maturity	18 years 9 months 18 days
Registered Mutual Funds [Member]
Available-for-sale securities [Abstract]
Purchase amortized/historical cost	$ 4,006			3,990
Recorded amortized/historical cost	4,006	[1]		3,990	[2]
Unrealized gains	15			25
Unrealized losses	(234)			(259)
Fair value	3,787			3,756
Pass Through MBS Issued by GSEs [Member]
Available-for-sale securities [Abstract]
Purchase amortized/historical cost	404			418
Recorded amortized/historical cost	404	[1]		418	[2]
Unrealized gains	13			13
Unrealized losses	0			0
Fair value	$ 417			431
All Mortgage Backed Securities available for sale [Member]
Available-for-sale securities [Abstract]
Securities weighted average term to maturity	11 years 9 months 18 days
Pooled Bank Trust Preferred Securities ("TRUPS") [Member]
Investment securities held-to-maturity [Abstract]
Purchase amortized/historical cost	$ 15,346			15,344
Recorded amortized/historical cost	5,290	[1]		5,242	[2]
Unrealized gains	2,014			2,154
Unrealized losses	(426)			(345)
Fair value	6,878			7,051
Unamortized portion of the unrealized loss amount recognized	$ 795			$ 807

[1] Amount represents the purchase amortized / historical cost less any OTTI charges (credit or non-credit related) previously recognized. For the TRUPS, amount is also net of the $795 unamortized portion of the unrealized loss that was recognized in accumulated other comprehensive loss on September 1, 2008 (the day on which these securities were transferred from available-for-sale to held-to-maturity).

[2] Amount represents the purchase amortized / historical cost less any OTTI charges (credit or non-credit related) previously recognized. For the TRUPS, amount is also net of the $807 unamortized portion of the unrealized loss that was recognized in accumulated other comprehensive loss on September 1, 2008 (the day on which these securities were transferred from available-for-sale to held-to-maturity).