Employee Benefits (Other Information Regarding Options Outstanding And Exercisable) (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) $ / shares shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, number of shares | shares	244,147
Options Outstanding, WAEP	$ 14.05
Options Outstanding, Aggregate Intrinsic Value | $	$ 103
Options, Exercisable, number of shares | shares	77,430
Options Exercisable, WAEP	$ 18.43
Options Exercisable, Aggregate Intrinsic Value | $	$ 103
2.54 to 6.00 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of exercise price, Lower	$ 2.54
Range of exercise price, Upper	$ 6.00
Options Outstanding, number of shares | shares	7,750
Options Outstanding, WAEP	$ 3.75
Options Outstanding, Wted. Avg. Remaining Contractual Life (yrs)	5 years 2 months 5 days
Options Outstanding, Aggregate Intrinsic Value | $	$ 63
Options, Exercisable, number of shares | shares	7,750
Options Exercisable, WAEP	$ 3.75
Options Exercisable, Aggregate Intrinsic Value | $	$ 63
6.01 to 10.00 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of exercise price, Lower	$ 6.01
Range of exercise price, Upper	$ 10.00
Options Outstanding, number of shares | shares	12,680
Options Outstanding, WAEP	$ 8.71
Options Outstanding, Wted. Avg. Remaining Contractual Life (yrs)	2 years 7 months 24 days
Options Outstanding, Aggregate Intrinsic Value | $	$ 40
Options, Exercisable, number of shares | shares	12,680
Options Exercisable, WAEP	$ 8.71
Options Exercisable, Aggregate Intrinsic Value | $	$ 40
10.01 to 17.50 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of exercise price, Lower	$ 10.01
Range of exercise price, Upper	$ 17.50
Options Outstanding, number of shares | shares	166,717
Options Outstanding, WAEP	$ 12.01
Options Outstanding, Wted. Avg. Remaining Contractual Life (yrs)	9 years 3 months 26 days
Options Outstanding, Aggregate Intrinsic Value | $	$ 0
Options, Exercisable, number of shares | shares	0
Options Exercisable, WAEP	$ 0.00
Options Exercisable, Aggregate Intrinsic Value | $	$ 0
17.51 to 20.00 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of exercise price, Lower	$ 17.51
Range of exercise price, Upper	$ 20.00
Options Outstanding, number of shares | shares	23,400
Options Outstanding, WAEP	$ 17.80
Options Outstanding, Wted. Avg. Remaining Contractual Life (yrs)	2 years
Options Outstanding, Aggregate Intrinsic Value | $	$ 0
Options, Exercisable, number of shares | shares	23,400
Options Exercisable, WAEP	$ 17.80
Options Exercisable, Aggregate Intrinsic Value | $	$ 0
20.01 to 25.93 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of exercise price, Lower	$ 20.01
Range of exercise price, Upper	$ 25.93
Options Outstanding, number of shares | shares	33,600
Options Outstanding, WAEP	$ 25.93
Options Outstanding, Wted. Avg. Remaining Contractual Life (yrs)	2 years 5 months 9 days
Options Outstanding, Aggregate Intrinsic Value | $	$ 0
Options, Exercisable, number of shares | shares	33,600
Options Exercisable, WAEP	$ 25.93
Options Exercisable, Aggregate Intrinsic Value | $	$ 0