Loan Servicing (Activity For MSRs And Related Valuation Allowance) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Servicing Asset at Amortized Value, Balance [Roll Forward]
Carrying amount, net, beginning of period	$ 10,077,000	$ 9,476,000	$ 9,688,000	$ 9,266,000
Additions	432,000	559,000	1,208,000	1,434,000
Amortization	(387,000)	(448,000)	(1,156,000)	(1,213,000)
Changes in valuation inputs & assumptions	(26,000)	(108,000)	(356,000)	8,000
Carrying amount, net, end of period	10,096,000	9,479,000	10,096,000	9,479,000
Valuation Allowance for Impairment of Recognized Servicing Assets [Roll Forward]
Valuation allowance, beginning of period	248,000	635,000	630,000	735,000
Changes in valuation allowance	(26,000)	(108,000)	356,000	(8,000)
Valuation allowance, end of period	$ 274,000	$ 743,000	$ 274,000	$ 743,000