Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016
Statement of Financial Position [Abstract]
SECURITIES HELD-TO-MATURITY, fair value		$ 124	$ 133
Common stock, par value	$ 0.01	$ 0.01	$ 0.01
Common stock, shares authorized	120,000,000	120,000,000	120,000,000
Common stock, shares issued	66,223,957	66,094,695	66,063,285
Treasury stock, shares	498,459	507,409	510,955