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Goodwill And Other Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Impairment of goodwill	$ 0	$ 0	$ 0
Recognized temporary impairment	(2,103)	(327)
Aggregate amortization expense for intangible assets	2,400	1,500	$ 1,300
Easement
Finite-Lived Intangible Assets [Line Items]
Originations	3,600	0
Aggregate amortization expense for intangible assets	0	0
Mortgage Servicing Rights
Finite-Lived Intangible Assets [Line Items]
Originations	2,296	2,603
Recognized temporary impairment	(2,103)	(327)
Aggregate amortization expense for intangible assets	$ (2,020)	$ (1,005)

X

- 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.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The value of new servicing assets, subsequently measured at fair value, acquired or created during the current period through purchases or from transfers of financial assets.

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