Consolidated Balance Sheet (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Statement Of Financial Position [Abstract]
Other real estate owned, portion covered under Loss Sharing Agreements with the FDIC	$ 9,329	$ 6,953
Preferred stock, par value	$ 0	$ 0
Preferred stock, shares authorized	100,000,000	100,000,000
Preferred stock, shares issued	0	0
Common stock, par value	$ 1.00	$ 1.00
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	24,826,424	24,756,411
Common stock, shares outstanding	24,294,164	24,224,151
Treasury stock, shares	532,260	532,260