STUDENT RECEIVABLES, Allowance for Credit Losses (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Allowance for Credit Losses [Abstract]
Balance, beginning of period		$ 35,370
Provision for credit losses		8,233	$ 7,831
Write-off's	[1]	(7,845)
Balance, at end of period		46,599
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Allowance for Credit Losses [Abstract]
Balance, beginning of period		10,841
Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Allowance for Credit Losses [Abstract]
Balance, beginning of period		$ 46,211

[1] Write-off amounts included only relate to the current quarter ended March 31, 2023.