Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Percentage of voting equity interests acquired in a business combination achieved in stages, including equity interests in the acquiree held by the acquirer immediately before the acquisition date and acquired at the acquisition date.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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Acquisitions - Narrative (Details) - USD ($) $ in Thousands			3 Months Ended		9 Months Ended
Acquisitions - Narrative (Details) - USD ($) $ in Thousands	Jan. 21, 2021	Jan. 05, 2020	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Business Acquisition [Line Items]
Cash paid for acquisitions, net of cash acquired	$ 7,139				$ 7,139	$ 0
Amortization of intangible assets			$ 513	$ 529	1,736	$ 1,575
Chaikin Holdings LLC.
Business Acquisition [Line Items]
Percentage of interests acquired	90.00%
Amortization of intangible assets			115		477
Total consideration, up to	$ 8,100
Chaikin Holdings LLC. \| Tradenames
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life (years)	8 years 6 months
Chaikin Holdings LLC. \| Customer relationships
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life (years)	6 years
TradeSmith
Business Acquisition [Line Items]
Percentage of interests acquired		25.00%
Business combination, step acquisition, equity interest in acquiree, including subsequent acquisition, percentage		100.00%
Total consideration, up to		$ 9,164
Business acquisition, transaction costs			$ 164		$ 164