13. Employee Benefits (Summary Of Activity In Stock Option Plans) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Employee Benefits and Share-based Compensation [Abstract]
Outstanding Options, Beginning Balance	249,700	317,180	317,180
Outstanding Options, Granted	0	0	0
Outstanding Options, Exercised	(17,800)	0	0
Outstanding Options, Forfeited	(1,750)	(44,680)	0
Outstanding Options, Expired	(44,740)	(22,800)	0
Outstanding Options, Ending Balance	185,410	249,700	317,180
Outstanding, Weighted-Average Exercise Price, Beginning Balance	$ 18.98	$ 18.17	$ 18.17
Outstanding, Weighted-Average Exercise Price, Granted	$ 0	$ 0	$ 0
Outstanding, Weighted-Average Exercise Price, Exercised	$ 5.37	$ 0	$ 0
Outstanding, Weighted-Average Exercise Price, Forfeited	$ 19.69	$ 0	$ 0
Outstanding, Weighted-Average Exercise Price, Expired	$ 21.83	$ 0	$ 0
Outstanding, Weighted-Average Exercise Price, Ending Balance	$ 19.59	$ 18.98	$ 18.17
Exercisable Options, Ending Balance	182,810	245,500	311,280
Exercisable Options, Weighted-Average Exercise Price, Ending Balance	$ 19.82	$ 19.24	$ 18.44