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Goodwill and Other Intangible Assets (Schedule of Goodwill and Other Intangible Assets Included in Equity Method Investments) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Goodwill And Other Intangible Assets
Goodwill
Goodwill beginning balance	$ 211,013	$ 210,665
Foreign currency translation	(93)	348
Goodwill ending balance	210,920	211,013
Equity Method Investment, Nonconsolidated Investee or Group of Investees
Goodwill
Goodwill beginning balance	10,598	10,598
Acquired	(695)
Foreign currency translation	0	0
Goodwill ending balance	9,903	$ 10,598
Non Equity Method Investment | Goodwill And Other Intangible Assets
Goodwill
Acquired	$ 0

X

- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Topic 942
-SubTopic 210
-Section S99
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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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- Definition

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.

+ References

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- Definition

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