Condensed Consolidated Balance Sheets Balance Sheet Parentheticals (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Statement of Financial Position [Abstract]
Securities available-for-sale at amortized cost	$ 330,619	$ 336,349
Accumulated amortization on core deposit intangible	$ 10,387	$ 9,869
Preferred stock, par value	$ 0	$ 0
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	28,405	28,405
Preferred stock, shares outstanding	28,405	28,405
Common stock, par value	$ 1	$ 1
Common stock, shares authorized	33,333,333	100,000,000
Common stock, shares issued	14,383,986	14,383,750
Common stock, shares outstanding	14,383,986	14,383,750