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Goodwill And Other Intangible Assets (Summary Of Core Deposit Intangibles) (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2018 | Dec. 31, 2017
Business Acquisition [Line Items] |  |  |  |  |
Gross carrying amount |  |  |  | $ 21,190 | $ 9,802
Accumulated amortization |  |  |  | (7,909) | (7,403)
Total | $ 2,399 | $ 2,939 | $ 2,939 | $ 13,281 | $ 2,399
Finite-lived Intangible Assets [Roll Forward] |  |  |  |  |
Beginning balance | 2,399 | 2,939 |  |  |
Amortization expense | (506) | (540) | (500) |  |
Ending balance | 13,281 | $ 2,399 | $ 2,939 |  |
Poage Bankshares, Inc. [Member] |  |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |  |
Finite-lived Intangible Assets Acquired | 8,054 |  |  |  |
Farmers Deposit Bancorp, Inc. [Member] |  |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |  |
Finite-lived Intangible Assets Acquired | $ 3,334 |  |  |  |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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- Definition Bank deposits belonging to an acquired bank that can be counted on as a stable source of lending funds. These deposits have the following attributes: predictable costs and low sensitivity to interest rates. This intangible asset is usually amortized over its estimated useful life. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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