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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Number of shares of equity interests issued or issuable to acquire entity.

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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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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The number of businesses acquired by the entity during the period.

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BUSINESS ACQUISITIONS - Narrative (Details) $ in Thousands		3 Months Ended
BUSINESS ACQUISITIONS - Narrative (Details) $ in Thousands	Mar. 01, 2022 USD ($) entity shares	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Business Acquisition [Line Items]
Goodwill		$ 301,563	$ 296,541
2022 Acquisitions
Business Acquisition [Line Items]
Cash and stock paid for acquisition	$ 9,000
Goodwill	$ 4,666
Number of acquisitions \| entity	2
Acquired intangible assets	$ 2,000
Fair value of accounts receivables	2,709
Acquisition related costs		300
2022 Acquisitions \| Non-compete agreements
Business Acquisition [Line Items]
Acquired intangible assets	$ 200
Amortization period of acquired intangible assets (in years)	5 years
2022 Acquisitions \| Customer relationships
Business Acquisition [Line Items]
Acquired intangible assets	$ 1,800
Amortization period of acquired intangible assets (in years)	8 years
2022 Acquisitions \| Common stock
Business Acquisition [Line Items]
Fair value of stock issued (in shares) \| shares	21,844
Drydon
Business Acquisition [Line Items]
Cash and stock paid for acquisition	$ 7,900
Sales contributed by acquisition		1,400
Net income contributed by acquisition		700
Goodwill	4,100
Burlingame
Business Acquisition [Line Items]
Cash and stock paid for acquisition	$ 1,100
Sales contributed by acquisition		400
Net income contributed by acquisition		$ 6