Stock-Based Awards (Details) (Stock Incentive Plan 2006 [Member], USD $)	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Stock Incentive Plan 2006 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Outstanding - Beginning balance	176,950		199,838		221,239
Number of Shares, Granted	0		0		0
Number of Shares, Exercised	(40,900)		(14,988)		0
Number of Shares, Cancelled	0		(7,900)		(21,401)
Number of Shares, Outstanding - Ending balance	136,050		176,950		199,838
Weighted Average Exercise Price per Share, Outstanding - Beginning balance	$ 14.04		$ 13.62		$ 13.62
Weighted Average Exercise Price per Share, Granted	$ 0		$ 0		$ 0
Weighted Average Exercise Price per Share, Exercised	$ 12.84		$ 8.58		$ 0
Weighted Average Exercise Price per Share, Cancelled	$ 0		$ 13.75		$ 13.61
Weighted Average Exercise Price per Share, Outstanding - Ending balance	$ 14.40		$ 14.04		$ 13.62
Weighted Average Remaining Contractual Life, Outstanding	4 months 24 days
Aggregate Intrinsic Value, Outstanding	$ 102,038	[1]
Aggregate Intrinsic Value, Exercised	$ 157,897	[1]	$ 53,636	[1]

[1] The aggregate intrinsic value on this table was calculated based on the amount, if any, by which the closing market value of the Company’s stock on December 31, 2014 ($15.15) exceeded the exercise price of any of the underlying options, multiplied by the number of shares subject to each such option. For value on the exercised stock, the calculation is based on the amount the Company’s stock price at exercise exceeded the exercise price.