Significant Accounting Policies (Details) $ in Thousands	12 Months Ended
Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Significant Accounting Policies (Details) [Line Items]
Changes in fair value of contingent consideration liability	$ 3,356	$ 266	$ 34
Number of operating segments	4
Employee's contribution percent	100.00%
Matching contributions, percentage	3.00%
Severance expenses	$ 5,344	4,712	4,052
Advertising expenses	472	519	304
Stock-based compensation expense		74	194
Expense related to credit losses	$ 1,242	$ 958	$ 1,070
Minimum [Member]
Significant Accounting Policies (Details) [Line Items]
Intangible assets amortization period	1 year
Maximum [Member]
Significant Accounting Policies (Details) [Line Items]
Intangible assets amortization period	15 years

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of liability recognized arising from contingent consideration in a business combination.

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Percentage employer matches of the employee's percentage contribution matched.

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Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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

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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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