CONSOLIDATED FINANCIAL STATEMENT DETAILS - Other (expense) income, Net (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Mar. 31, 2020	Sep. 30, 2021	Sep. 30, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Interest income	$ 31	$ 129		$ 178	$ 1,561
Loss on the sale of a business	18	0		31	(454)
Foreign exchange (losses) gains	(515)	88		(968)	(256)
Loss on extinguishment of debt	0	0		(1,110)	0
Other	(13)	6		(13)	5
Other (expense) income, net	$ (479)	$ 223		$ (1,882)	856
Mark-to-market loss on an indemnification claim related to Handy acquisition					$ 200
Charge related to final earn-out settlement related to sale of Felix			$ 300

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Amount before tax of foreign currency transaction realized 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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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Amount of interest income earned from interest bearing assets classified as other.

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The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

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Amount of cash outflow, not made soon after acquisition date of business combination, to settle contingent consideration liability exceeding amount recognized at acquisition date. Includes, but is not limited to, measurement period adjustment and less amount paid soon after acquisition date.

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