Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Statement of Financial Position [Abstract]
SECURITIES HELD-TO-MATURITY, fair value	$ 150	$ 283	$ 317
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	66,043,442	65,990,234	64,142,812
Treasury stock, shares	520,357	520,651	527,533