Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Basic:
Net Income	$ 4,481	$ 3,725	$ 7,658	$ 5,532
Preferred Dividend	(51)	(51)	(103)	(103)
Earnings Applicable to Common Stock	4,430	3,674	7,555	5,429
Weighted-average number of basic shares outstanding, shares	15,829,000	15,716,000	15,818,000	15,704,000
Basic EPS	$ 0.28	$ 0.23	$ 0.48	$ 0.35
Diluted:
$7.00 Series Preferred Dividend	24	24	49	49
$8.00 Series Preferred Dividend	14	14	28	28
Adjusted Earnings Applicable to Common Stock	$ 4,468	$ 3,712	$ 7,632	$ 5,506
Incremental common shares attributable to $7.00 series preferred shares, shares	167	167	167	167
Incremental common shares attributable to $8.00 series preferred shares, shares	96	96	96	96
Weighted-average diluted shares outstanding, shares	16,092,000	15,979,000	16,081,000	15,967,000
Diluted EPS	$ 0.28	$ 0.23	$ 0.47	$ 0.35