Stock Compensation Plans (Details Textual) (USD $)	6 Months Ended			6 Months Ended			6 Months Ended	3 Months Ended	6 Months Ended	12 Months Ended	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013	Jun. 30, 2014 Short-term Equity Incentive Plan 2013 [Member]	Jun. 30, 2014 Equity Plan 2010 [Member]	Mar. 15, 2010 Equity Plan 2010 [Member]	Jun. 30, 2014 Long-term Equity Incentive Plan 2013 [Member]	Jun. 30, 2014 Restricted Stock Units (Rsus) [Member]	Jun. 30, 2014 Restricted Stock Units (Rsus) [Member]	Dec. 31, 2013 Restricted Stock Units (Rsus) [Member]	Jun. 30, 2014 Stock Option Grant, 2009 [Member]	Jun. 30, 2014 Stock Option Grant, 2011 [Member]	Jun. 30, 2014 Stock Option Grant, Annual [Member]	Jun. 30, 2014 Short-term Equity Incentive Plan 2014 [Member]	Jun. 30, 2014 Long-term Equity Incentive Plan 2014 [Member]	Jun. 30, 2014 Short-term and Long-term Equity Incentive Plan 2014 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized						350,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	190,520		251,020
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Vested Percentage, Year											20.00%	40.00%	20.00%		100.00%
Stock Option Period, Description					All options expire ten years from the date of grant. Vested options of retirees expire on the earlier of the scheduled expiration date or three months after the retirement date
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures								6,425
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate, Range Minimum				25.00%			25.00%							30.00%	20.00%
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate, Range Maximum				45.00%			45.00%							45.00%	45.00%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross									30,538	86,065
Option Subscription, Description							The amount of benefit under the 2013 LTIP will be determined individually at the 12 month period ending December 31, 2013, the 24 month period ending December 31, 2014 and the 36 month period ending December31, 2015. The awards vesting will be as follows: 16.7% of the target award after the end of the performance period ending December 31, 2013, 27.8% of the target award at the end of the performance period ending December 31, 2014 and 55.5% of the target award at the end of the performance period ending December 31, 2015. The benefits earned under the 2013 LTIP will be paid out in equity in the first quarter following the close of the applicable performance period. The participants are required to be employed on the day of payout in order to receive such payment
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options	$ 5,000
Employee Service Share Based Compensation Nonvested Awards, Total Compensation Cost Not Yet Recognized, Period For Recognition (in years)	4 years 8 months 12 days
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number								91,812	91,812	106,061
Allocated Share-based Compensation Expense	130,000	570,000														335,000
Compensation Expense, Maximum	3,800,000
Estimated Compensation Expense, Excepted	2,000,000
Unrecognized Compensation Expense	$ 1,100,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 11.25	$ 0