Goodwill and Identifiable Intangibles (Changes in Carrying Amount of Goodwill) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2020	Dec. 31, 2019
Goodwill and Identifiable Intangibles [Abstract]
Goodwill gross beginning balance	$ 177,162	$ 177,115
Goodwill gross, Currency translation adjustment		47
Goodwill gross ending balance	177,162	177,162
Accumulated Impairment beginning balance	(161,940)	(154,003)
Accumulated impairment, Impairment		(7,937)
Accumulated Impairment ending balance	(161,940)	(161,940)
Goodwill net beginning balance	15,222	23,112
Goodwill net, Impairment		(7,937)
Goodwill net, Currency translation adjustment		47
Goodwill net ending balance	$ 15,222	$ 15,222

Goodwill Foreign Currency Adjustment Gross

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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- References

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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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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Amount after tax of loss recognized that results 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.

+ References

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