Mortgage Servicing Rights (Schedule Of Changes In Carrying Value Of MSR) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Servicing Asset at Fair Value, Amount [Roll Forward]
Balance at beginning of year	$ 8,435	$ 8,946	$ 6,750
Additions from loans sold with servicing retained	1,759	213	523
Additions from acquisitions	0	704	0
Estimate of changes in fair value due to:
Payoffs and paydowns	(1,315)	(976)	(941)
Changes in valuation inputs or assumptions	213	(452)	2,614
Fair value at end of year	9,092	8,435	8,946
Unpaid principal balance of mortgage loans serviced for others	$ 939,819	$ 877,899	$ 961,619