STUDENT RECEIVABLES, Allowance for Credit Losses (Details) - USD ($) $ in Thousands		3 Months Ended	6 Months Ended
		Jun. 30, 2023	Jun. 30, 2023	Jun. 30, 2022
Allowance for Credit Losses [Abstract]
Balance, beginning of period		$ 46,599	$ 35,370
Provision for credit losses		10,347	18,600	$ 16,165
Write-off's	[1]	(9,339)	(17,204)
Balance, at end of period		47,607	47,607
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		$ 46,599	$ 46,211

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