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Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Goodwill and Other Intangible Assets [Line Items]
Goodwill, impairment	$ 2,500,000
Amortization expense	1,700,000	$ 1,900,000	$ 1,800,000
Trade names
Goodwill and Other Intangible Assets [Line Items]
Impairment of indefinite-lived intangible assets	$ 300,000	$ 0	$ 0

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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- Definition

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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- Definition

Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

+ References

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[Line Items] for Goodwill and Other Intangible Assets [Table]

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