Bank Loans (Schedule Of The Allowances For Loan Losses By Type) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2014	Dec. 31, 2013
Allowance for loan losses	$ 17,104	$ 12,668
Percentage of loan allowance losses	100.00%	100.00%
Commercial And Industrial [Member]
Allowance for loan losses	13,525	9,832
Percentage of loan allowance losses	34.40%	37.70%
Consumer [Member]
Allowance for loan losses	937	892
Percentage of loan allowance losses	41.30%	34.80%
Residential Real Estate [Member]
Allowance for loan losses	564	408
Percentage of loan allowance losses	22.60%	25.50%
Home Equity Lines Of Credit [Member]
Allowance for loan losses	280	174
Percentage of loan allowance losses	0.80%	1.10%
Commercial Real Estate [Member]
Allowance for loan losses	243	198
Percentage of loan allowance losses	0.90%	0.80%
Construction And Land [Member]
Allowance for loan losses		12
Percentage of loan allowance losses	0.00%	0.10%
Qualitative [Member]
Allowance for loan losses	$ 1,555	$ 1,152