Earnings Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Basic:
Net Income	$ 4,728	$ 4,481	$ 7,897	$ 7,658
Preferred Dividend	(36)	(51)	(79)	(103)
Earnings Applicable to Common Stock	4,692	4,430	7,818	7,555
Basic EPS (in dollars per share)	$ 0.29	$ 0.28	$ 0.49	$ 0.48
Weighted-average number of basic shares outstanding (in shares)	16,018	15,829	15,996	15,818
Diluted:
Preferred Dividend		24
Adjusted Earnings Applicable to Common Stock	4,715	4,468	7,871	7,632
Diluted EPS (in dollars per share)	$ 0.29	$ 0.28	$ 0.49	$ 0.47
Weighted-average diluted shares outstanding (in shares)	16,199	16,092	16,190	16,081
Convertible Preferred Stock $7.00 Series [Member]
Diluted:
Preferred Dividend	17		41	49
Common Shares Attributable to Dilutive Effect of Conversion of Preferred Stock (in shares)	140		153	167
Convertible Preferred Stock $8.00 Series [Member]
Diluted:
Preferred Dividend	$ 6	$ 14	$ 12	$ 28
Common Shares Attributable to Dilutive Effect of Conversion of Preferred Stock (in shares)	41		41	96