STUDENT RECEIVABLES, Student Receivables (Details) - USD ($) $ in Thousands		Mar. 31, 2024	Dec. 31, 2023
STUDENT RECEIVABLES [Abstract]
Accounts receivables		$ 17,360	$ 17,504
Student Receivables [Abstract]
2024	[1]	50,484
2023	[1]	35,742
2022	[1]	10,731
2021	[1]	5,989
2020	[1]	2,628
Prior	[1]	2,562
Total	[1]	$ 108,136

[1] Student receivables are presented on a gross basis from the individual students.  The total receivable amount above excludes federal subsidies reflected on the students account but not yet received from the government.  Also, it excludes all receivables from corporate partnerships, which are otherwise included under accounts receivable in our Condensed Consolidated Balance Sheet.