Other Non-Operating Income (Details 1) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Other Nonoperating Income (Expense) [Abstract]
Gain on sale of cost method investments	$ 1,075	$ 94
Foreign currency (loss) gain, net	(1,047)	3
Gain on sale of businesses	945	802
Gain on sale of investment in affiliate	604	0
Gain on a cost method investment	0	2,723
Other gain, net	1,299	2,698
Total Other Non-Operating Income	$ 2,876	$ 6,320

Amount of gain (loss) on sale or disposal of an equity method investment.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount of realized gain from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of gain from upward price adjustment on investment in equity security without readily determinable fair value.

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Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

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Amount of gain (loss) related to nonoperating activities, classified as other.

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Amount of income (expense) related to nonoperating activities, classified as other.

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