Stock-Based Compensation (Summary Of Changes In Board of Directors Unvested Restricted Stock) (Details) - Restricted Stock [Member] - $ / shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-Vested, Beginning Balance	13,940	13,040
Granted	14,410	13,940
Vested	(13,940)	(13,040)
Forfeited
Non-Vested, Ending Balance	14,410	13,940
Non-Vested, Weighted Average Fair Value Per Share, Beginning Balance	$ 10.76	$ 10.61
Weighted Average Fair Value Per Share, Granted	10.41	10.76
Weighted Average Fair Value Per Share, Vested	10.76	10.61
Weighted Average Fair Value Per Share, Forfeited
Non-Vested, Weighted Average Fair Value Per Share, Ending Balance	$ 10.41	$ 10.76