Description of Business and Significant Accounting Policies (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Allowance for Doubtful Accounts Receivable [Roll Forward]
Beginning balance	$ 1,132	$ 2,034	$ 2,492
Additions	2,541	2,871	234
Deductions	(587)	(3,773)	(692)
Ending balance	$ 3,086	$ 1,132	$ 2,034
Technical Performance Solutions
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount	5.00%
Latin America
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount	15.00%
Single Automotive Customer [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Concentration Risk, Percentage	15.00%	13.00%

Amount of allowance for credit loss on accounts receivable.

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Amount of direct write-downs of accounts receivable charged against the allowance.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount of expense (reversal of expense) for expected credit loss on accounts receivable.

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