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Employee Benefit Plans (Schedule of Stock Options, by Exercise Price Range) (Details)
12 Months Ended
Dec. 31, 2015
$ / shares
shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Outstanding: Shares Outstanding | shares 475,396
Options Outstanding: Weighted Average Remaining Contractual Life (in years) 5 years 1 month 6 days
Options Outstanding: Weighted Average Exercise Price $ 7.09
Options Exercisable: Shares Exercisable | shares 375,233
Options Exercisable: Weighted Average Exercise Price $ 6.65
Range Of Option Exercise Prices 0.00-4.00 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of exercise prices, lower 0.00
Range of exercise prices, upper $ 4.00
Options Outstanding: Shares Outstanding | shares 89,000
Options Outstanding: Weighted Average Remaining Contractual Life (in years) 3 years 2 months 12 days
Options Outstanding: Weighted Average Exercise Price $ 3.85
Options Exercisable: Shares Exercisable | shares 89,000
Options Exercisable: Weighted Average Exercise Price $ 3.85
Range Of Option Exercise Prices 4.01-8.00 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of exercise prices, lower 4.01
Range of exercise prices, upper $ 8.00
Options Outstanding: Shares Outstanding | shares 281,950
Options Outstanding: Weighted Average Remaining Contractual Life (in years) 5 years 4 months 24 days
Options Outstanding: Weighted Average Exercise Price $ 6.73
Options Exercisable: Shares Exercisable | shares 242,120
Options Exercisable: Weighted Average Exercise Price $ 6.61
Range Of Option Exercise Prices 8.01-12.00 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of exercise prices, lower 8.01
Range of exercise prices, upper $ 12.00
Options Outstanding: Shares Outstanding | shares 62,551
Options Outstanding: Weighted Average Remaining Contractual Life (in years) 9 years 3 months 18 days
Options Outstanding: Weighted Average Exercise Price $ 9.63
Options Exercisable: Shares Exercisable | shares 2,218
Options Exercisable: Weighted Average Exercise Price $ 10.53
Range Of Option Exercise Prices 12.01-16.00 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of exercise prices, lower 12.01
Range of exercise prices, upper $ 16.00
Options Outstanding: Shares Outstanding | shares 41,895
Options Outstanding: Weighted Average Remaining Contractual Life (in years) 1 year 1 month 6 days
Options Outstanding: Weighted Average Exercise Price $ 12.62
Options Exercisable: Shares Exercisable | shares 41,895
Options Exercisable: Weighted Average Exercise Price $ 12.62