Business Combinations Pro Forma Information (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2010
Business Combinations [Abstract]
Net interest income	$ 46,425
Provision for loan losses	4,737
Non-interest income	14,686
Non-interest expense	41,614
Income before income taxes	14,760
Income tax expense	4,527
Net income	10,233
Dividends on preferred shares	2,240
Net income available to common stockholders	$ 7,993
Pro Forma Earnings Per Share
Basic	$ 1.31
Diluted	$ 1.31
Basic weighted average shares outstanding	6,092,670
Diluted weighted average shares outstanding	6,116,727