Earnings Per Share Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net Income (Loss) Available to Common Stockholders, Basic	$ 9,705	$ 8,088	$ (925)
Net income	9,705	8,088	(925)
Weighted-average shares-basic	10,607,751	10,442,034	10,573,932
Earnings Per Share, Basic	$ 0.91	$ 0.77	$ (0.09)
Weighted Average Number Diluted Shares Outstanding Adjustment	47,773	0
Weighted-average shares-diluted	10,655,524	10,442,034	10,573,932
Earnings Per Share, Diluted	$ 0.91	$ 0.77	$ (0.09)
Retained Earnings [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net Income (Loss) Available to Common Stockholders, Basic	$ 9,705	$ 8,088	$ (925)