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ACQUISITIONS - Narrative (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
item
Dec. 31, 2020
USD ($)
item
BUSINESS COMBINATIONS    
Number of Businesses Acquired | item 39 31
Total cash purchase price $ 146,100 $ 147,600
Increase in goodwill due to acquisition $ 69,264 $ 73,430