Goodwill And Other Intangible Assets (Summary Of Core Deposit Intangibles) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Business Acquisition [Line Items]
Gross carrying amount			$ 21,190	$ 21,190
Accumulated amortization			(9,890)	(7,909)
Total	$ 13,281	$ 13,281	$ 11,300	$ 13,281
Finite-lived Intangible Assets [Roll Forward]
Beginning balance	13,281	2,399
Amortization expense	(1,981)	(506)
Ending balance	11,300	13,281
Poage Bankshares, Inc. [Member]
Finite-lived Intangible Assets [Roll Forward]
Finite-lived Intangible Assets Acquired	0	8,054
Farmers Deposit Bancorp, Inc. [Member]
Finite-lived Intangible Assets [Roll Forward]
Finite-lived Intangible Assets Acquired	$ 0	$ 3,334