CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
ASSETS
Investment securities held to maturity at fair value	$ 62,827	$ 76,310
Loans receivable, allowance for loan losses	$ 8,969	$ 8,758
Stockholders' Equity
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	20,000,000	20,000,000
Common stock, shares issued (in shares)	12,123,179	10,088,879
Common stock, shares outstanding (in shares)	12,123,179	10,088,879
Series A Preferred Stock [Member]
Stockholders' Equity
Preferred stock, shares issued (in shares)	437,500	437,500
Preferred stock, shares outstanding (in shares)	437,500	437,500
Preferred stock, liquidation preference	$ 3,500	$ 3,500
Series B Preferred Stock [Member]
Stockholders' Equity
Preferred stock, shares issued (in shares)	0	23,393
Preferred stock, shares outstanding (in shares)	0	23,393
Preferred stock, liquidation preference	$ 0	$ 23,393