SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) $ in Thousands		12 Months Ended
	Jun. 08, 2023 USD ($)	Dec. 31, 2025 USD ($) Campus State Segment	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Mar. 11, 2025 USD ($)	Feb. 16, 2024 USD ($)
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
Number of campuses (in Campus) | Campus		22
Number of states in which schools operate across the United States (in State) | State		12
Number of new campuses (in Campus) | Campus		2
Number of campuses treated as destination schools (in Campus) | Campus		5
Number of reportable segments (in Segment) | Segment		2
Cash and cash equivalents		$ 28,519	$ 59,273
Cash, cash equivalents and restricted cash		$ 28,519	59,273	$ 80,269
Maximum maturity period for classification of cash equivalents		3 months
Advertising expense		$ 48,300	43,300	38,200
Impairment charges on long lived assets	$ 400	$ 0	$ 0
Impairment, Long-Lived Asset, Held-for-Use, Statement of Income or Comprehensive Income [Extensible Enumeration]		Other assets, net	Other assets, net
Federal deposit insurance limit		$ 250
Excess cash, FDIC uninsured amount		27,900
Interest and penalties expense		0	$ 0	0
Uncertain tax positions		0	$ 0	$ 0
Credit Facility [Member]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
Line of credit facility, maximum borrowing capacity					$ 25,000	$ 20,000
Revolving Loan [Member] | Credit Facility [Member]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
Line of credit facility, maximum borrowing capacity		$ 60,000			$ 60,000	$ 40,000
Minimum [Member]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
Maturity period for short-term investments		3 months
Maximum [Member]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
Maturity period for short-term investments		12 months
Transitional Segment [Member]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
Number of campuses (in Campus) | Campus		0