SEGMENTS - SEGMENTS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
SEGMENTS [Abstract]
REVENUE	$ 141,389	$ 114,410	$ 375,369	$ 320,691
COSTS AND EXPENSES:
Instructional	24,813	22,411	71,372	67,833
Books and tools	14,915	11,472	29,393	25,472
Facilities	12,239	11,111	37,257	34,352
Depreciation and amortization	5,316	3,061	13,461	8,982
Educational services and facilities	57,283	48,055	151,483	136,639
Sales and marketing	25,347	20,393	63,920	58,222
Student services	6,332	5,365	18,933	16,302
Provision for credit losses	17,572	15,261	42,584	40,823
Administrative	28,416	22,151	85,866	65,815
Depreciation and amortization	144	169	472	535
Selling, general and administrative	77,811	63,339	211,775	181,697
Loss (gain) on sale of assets	10	(12)	(466)	901
Gain on insurance proceeds	0	(2,794)	0	(2,794)
Total costs & expenses	135,104	108,588	362,792	316,443
OPERATING INCOME	6,285	5,822	12,577	4,248
Corporate [Member]
SEGMENTS [Abstract]
REVENUE	0	0	0	0
COSTS AND EXPENSES:
Instructional	0	0	0	0
Books and tools	0	0	0	0
Facilities	0	0	0	0
Depreciation and amortization	0	0	0	0
Educational services and facilities	0	0	0	0
Sales and marketing	0	0	0	0
Student services	0	0	0	0
Provision for credit losses	6	0	42	0
Administrative	16,826	11,669	51,116	34,519
Depreciation and amortization	144	169	472	535
Selling, general and administrative	16,976	11,838	51,630	35,054
Loss (gain) on sale of assets	0	0	34	311
Gain on insurance proceeds	0	(2,794)	0	(2,794)
Total costs & expenses	16,976	9,044	51,664	32,571
OPERATING INCOME	(16,976)	(9,044)	(51,664)	(32,571)
Campus Operations [Member]
SEGMENTS [Abstract]
REVENUE	141,389	112,745	375,369	315,301
Campus Operations [Member] | Reportable Segments [Member]
SEGMENTS [Abstract]
REVENUE	141,389	112,745	375,369	315,301
COSTS AND EXPENSES:
Instructional	24,813	21,834	71,372	66,030
Books and tools	14,915	11,156	29,393	24,673
Facilities	12,239	10,847	37,257	33,621
Depreciation and amortization	5,316	3,042	13,461	8,926
Educational services and facilities	57,283	46,879	151,483	133,250
Sales and marketing	25,347	19,948	63,920	56,968
Student services	6,332	5,157	18,933	15,640
Provision for credit losses	17,566	15,096	42,542	40,175
Administrative	11,590	10,171	34,750	30,425
Depreciation and amortization	0	0	0	0
Selling, general and administrative	60,835	50,372	160,145	143,208
Loss (gain) on sale of assets	10	(12)	(500)	590
Gain on insurance proceeds	0	0	0	0
Total costs & expenses	118,128	97,239	311,128	277,048
OPERATING INCOME	23,261	15,506	64,241	38,253
Transitional [Member]
COSTS AND EXPENSES:
Loss (gain) on sale of assets					$ 0
Transitional [Member] | Reportable Segments [Member]
SEGMENTS [Abstract]
REVENUE	0	1,665	0	5,390
COSTS AND EXPENSES:
Instructional	0	577	0	1,803
Books and tools	0	316	0	799
Facilities	0	264	0	731
Depreciation and amortization	0	19	0	56
Educational services and facilities	0	1,176	0	3,389
Sales and marketing	0	445	0	1,254
Student services	0	208	0	662
Provision for credit losses	0	165	0	648
Administrative	0	311	0	871
Depreciation and amortization	0	0	0	0
Selling, general and administrative	0	1,129	0	3,435
Loss (gain) on sale of assets	0	0	0	0
Gain on insurance proceeds	0	0	0	0
Total costs & expenses	0	2,305	0	6,824
OPERATING INCOME	$ 0	$ (640)	$ 0	$ (1,434)