INVESTMENT AND MORTGAGE-BACKED SECURITIES, Major Categories of Securities Owned (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017		Mar. 31, 2016	Dec. 31, 2016
Investment Securities Held-to-Maturity [Abstract]
Amortized Cost	$ 5,332			$ 5,378
Fair Value	8,048			7,296
Investment Securities Available-for-sale [Abstract]
Amortized Cost	7,566	[1]		7,618	[2]
Gross Unrealized Gains	150			74
Gross Unrealized Losses	(195)			(239)
Fair Value	7,521			7,453
Total Investment Securities [Abstract]
Amortized Cost	12,898	[1]		12,996	[2]
Gross Unrealized Gains	3,023			2,295
Gross Unrealized Losses	(352)			(542)
Fair Value	15,569			14,749
Investment and Mortgage-Backed Securities [Abstract]
Proceeds from sale of investment securities available-for-sale	35		$ 0
Pooled Bank Trust Preferred Securities [Member]
Investment Securities Held-to-Maturity [Abstract]
Amortized Cost	5,332	[1]		5,378	[2]
Gross Unrealized Gains	2,873			2,221
Gross Unrealized Losses	(157)			(303)
Fair Value	8,048			7,296
Investment and Mortgage-Backed Securities [Abstract]
Unamortized portion of the unrealized loss amount recognized	$ 729			755
Securities weighted average term to maturity	17 years 9 months 18 days
Registered Mutual Funds [Member]
Investment Securities Available-for-sale [Abstract]
Amortized Cost	$ 3,992	[1]		4,011	[2]
Gross Unrealized Gains	139			62
Gross Unrealized Losses	(130)			(178)
Fair Value	4,001			3,895
Investment and Mortgage-Backed Securities [Abstract]
Proceeds from sale of investment securities available-for-sale	35		0
Gross gain recognized on sale of investment securities available for sale	0
Gross loss recognized on sale of investment securities available for sale	0
Pass-through MBS Issued by Government Sponsored Entities ("GSEs")
Investment Securities Available-for-sale [Abstract]
Amortized Cost	346	[1]		360	[2]
Gross Unrealized Gains	11			12
Gross Unrealized Losses	0			0
Fair Value	$ 357			372
Investment and Mortgage-Backed Securities [Abstract]
Securities weighted average term to maturity	10 years 9 months 18 days
Weighted average estimated duration	1 year
Proceeds from sales of mortgage backed securities available-for-sale			0
Agency Collateralized Mortgage Obligation ("CMO") [Member]
Investment Securities Available-for-sale [Abstract]
Amortized Cost	$ 3,228	[1]		3,247	[2]
Gross Unrealized Gains	0			0
Gross Unrealized Losses	(65)			(61)
Fair Value	$ 3,163			$ 3,186
Investment and Mortgage-Backed Securities [Abstract]
Securities weighted average term to maturity	2 years 9 months 18 days
Trading Securities [Member]
Investment and Mortgage-Backed Securities [Abstract]
Proceeds from the sales of trading securities	$ 0		$ 0

[1] Amount represents the purchase amortized / historical cost less any OTTI charges (credit or non-credit related) previously recognized. For the TRUP CDOs, amount is also net of the $729 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 TRUP CDOs, amount is also net of the $755 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).