CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
ASSETS
Securities held to maturity fair value	$ 49,026	$ 54,004
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)	12,247,626	12,233,424
Common stock, shares outstanding (in shares)	12,247,626	12,233,424
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