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, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Loans [Abstract]
Balance, beginning of period		$ 6,171	$ 8,348	$ 8,542	$ 14,714
Additions		2,883	0	2,883	0
Accretion		(837)	(1,037)	(2,984)	(5,985)
Adjustment for payoffs		(179)	(835)	(4,408)	(2,931)
Adjustment for charge-offs		0	0	(674)	0
Increase in accretable yield	[1]	686	500	5,398	1,178
Other		0	0	(33)	0
Balance, end of period		$ 8,724	$ 6,976	$ 8,724	$ 6,976

[1] Includes changes in the accretable yield due to both transfers from the nonaccretable difference and the impact of changes in the expected timing of the cash flows.