CONSOLIDATED STATEMENTS OF CONDITION (Parenthetical) - $ / shares	Jun. 30, 2016	Dec. 31, 2015
Statement of Financial Position [Abstract]
Preferred stock, par value
Preferred stock, shares authorized	500,000	500,000
Preferred stock, liquidation preference per share	$ 1,000	$ 1,000
Common stock, stated value	$ 0.83	$ 0.83
Common stock, shares authorized	21,000,000	21,000,000
Common stock, shares issued	17,065,581	16,476,297
Common stock, shares outstanding	16,657,403	16,068,119
Treasury stock, shares	408,178	408,178