Loans (Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Movement Schedule Rollforward) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract]
Balance, beginning of period		$ 5,198	$ 8,958	$ 6,871	$ 8,542
Accretion		(919)	(996)	(1,770)	(2,147)
Adjustment for payoffs		(761)	(2,452)	(1,034)	(4,229)
Adjustment for charge-offs		0	(11)	0	(674)
Adjustment for pool excess recovery	[1]	0	0	(222)	0
Increase in accretable yield	[2]	409	705	114	4,712
Other		118	(33)	86	(33)
Balance, end of period		$ 4,045	$ 6,171	$ 4,045	$ 6,171

[1] Represents the removal of accretable difference for the remaining loans in a pool which is now in a recovery state.

[2] 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.