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Significant Accounting Policies (Stock Option Valuation Assumptions) (Details) (USD $)
6 Months Ended 3 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of options granted 41,000 25,000 1,000
Weighted average exercise price $ 7.90 $ 6.02 $ 7.94
Weighted average fair value of options $ 3.03 $ 2.91 $ 2.69
Expected life in years 5 years 4 months 24 days [1] 5 years 1 month 10 days [1] 5 years 4 months 24 days [1]
Expected volatility 45.05% [2] 52.81% [2] 38.76% [2]
Risk-free interest rate 1.52% [3] 0.77% [3] 1.61% [3]
Dividend yield 1.02% [4]   1.01% [4]
[1] The expected life of the options was estimated based on historical employee behavior and represents the period of time that options granted are expected to be outstanding.
[2] The expected volatility of the Company’s stock price was based on the historical volatility over the period commensurate with the expected life of the options.
[3] The risk-free interest rate is the U.S. Treasury rate commensurate with the expected life of the options on the date of grant.
[4] The expected dividend yield is the projected annual yield based on the grant date stock price.