Loans (Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Movement Schedule Rollforward) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract]
Balance, beginning of period	$ 4,045	$ 6,171	$ 6,871	$ 8,542
Addition	0	2,883	0	2,883
Accretion	(642)	(837)	(2,412)	(2,984)
Adjustment for payoffs	(198)	(179)	(1,232)	(4,408)
Adjustment for charge-offs	0	0	0	(674)
Adjustment for pool excess recovery	0	0	(222)	0
Increase in accretable yield	(2)	686	112	5,398
Other	0	0	86	(33)
Balance, end of period	$ 3,203	$ 8,724	$ 3,203	$ 8,724