STUDENT RECEIVABLES, Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Financing Receivable, Allowance for Credit Loss [Line Items]
Balance, beginning of period	$ 56,339	$ 46,599	$ 53,811	$ 35,370
Provision for credit losses	13,325	10,347	25,537	18,600
Write-off's	(11,433)	(9,339)	(21,117)	(17,204)
Balance, at end of period	58,231	47,607	58,231	47,607
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Balance, beginning of period	0	0		10,841
Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Balance, beginning of period	$ 56,339	$ 46,599	$ 53,811	$ 46,211