INCOME TAXES - Summary of Tax Effects of Temporary Differences That Rises to Significant Portions of Deferred Tax Assets and Deferred Tax Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Deferred tax assets:
Net operating loss carryforwards	$ 2,912	$ 1,515
Allowance for doubtful accounts	7,596	4,876
Employee benefits and compensation	45,122	38,137
Acquisition-related costs	9,110	0
Deferred revenue	4,446	0
Property and equipment	141	0
Lease liabilities	116,080	7,398
Other deferred tax assets	1,103	1,888
Total gross deferred tax assets	186,510	53,814
Less: valuation allowance	(2,941)	(2,721)
Total deferred tax assets, net	183,569	51,093
Deferred tax liabilities:
Goodwill and other intangibles	85,771	77,005
Right of Use assets	105,478	0
Property and equipment	0	836
Other deferred tax liabilities	3,200	2,539
Total gross deferred tax liabilities	194,449	80,380
Deferred income taxes, net	$ (10,880)	$ (29,287)