BUSINESS ACQUISITIONS - Estimated Fair Values of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Business Acquisition [Line Items]
Goodwill	$ 343,991	$ 333,759	$ 296,541
Acquisitions 2023
Business Acquisition [Line Items]
Cash	353
Accounts receivable	2,335
Inventory	355
Other current assets	178
Property and equipment	41
Operating lease ROU asset	256
Other assets	7
Assets acquired	6,052
Short-term operating lease liability	(106)
Current liabilities assumed	(1,442)
Long-term operating lease liability	(150)
Deferred tax liability	(679)
Long-term liabilities assumed	(24)
Net assets acquired	3,651
Total Consideration	13,419
Goodwill	9,768
Acquisitions 2023 | Non-compete agreements
Business Acquisition [Line Items]
Finite-lived intangibles	628
Acquisitions 2023 | Customer relationships
Business Acquisition [Line Items]
Finite-lived intangibles	$ 1,899