CUSTOMER CONTRACTS, TRADENAMES AND TRADEMARKS, AND OTHER INTANGIBLE ASSETS - Schedule of Customer contracts (Details) - Customer contracts, net - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Intangible assets
Customer contracts	$ 741,568	$ 671,242
Less: accumulated amortization	(334,052)	(288,150)
Customer contracts, net	$ 407,516	$ 383,092