STUDENT RECEIVABLES, Allowance for Credit Losses (Details) - USD ($) $ in Thousands		3 Months Ended	9 Months Ended
		Sep. 30, 2023	Sep. 30, 2023	Sep. 30, 2022
Allowance for Credit Losses [Abstract]
Balance, beginning of period		$ 47,607	$ 35,370
Provision for credit losses		12,747	31,347	$ 24,888
Write-off's	[1]	(8,403)	(25,607)
Balance, at end of period		51,951	51,951
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Allowance for Credit Losses [Abstract]
Balance, beginning of period		0	10,841
Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Allowance for Credit Losses [Abstract]
Balance, beginning of period		$ 47,607	$ 46,211

[1] Write-off amounts included only relate to the three months and nine months ended September 30, 2023.