Segment Reporting - Significant Expense Category by Reporting Segment Expenses (Detail) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Total operating expenses		$ 650,096	$ 507,010	$ 559,558
CTU [Member] | Academics and Student Related [Member]
Segment Reporting Information [Line Items]
Total operating expenses	[1]	61,323	59,904	67,016
CTU [Member] | Advertising and Marketing [Member]
Segment Reporting Information [Line Items]
Total operating expenses	[1]	54,771	54,662	63,198
CTU [Member] | Admissions [Member]
Segment Reporting Information [Line Items]
Total operating expenses	[1]	48,092	46,118	50,157
CTU [Member] | Administrative [Member]
Segment Reporting Information [Line Items]
Total operating expenses	[1],[2]	89,458	78,701	79,249
CTU [Member] | Bad Debt [Member]
Segment Reporting Information [Line Items]
Total operating expenses	[1]	19,441	19,907	20,203
CTU [Member] | Depreciation and Amortization [Member]
Segment Reporting Information [Line Items]
Total operating expenses	[1]	5,563	5,618	8,404
CTU [Member] | All Other Expenses [Member]
Segment Reporting Information [Line Items]
Total operating expenses	[1],[3]	2,357	3,778	17,243
AIUS [Member] | Academics and Student Related [Member]
Segment Reporting Information [Line Items]
Total operating expenses	[1]	45,639	45,331	51,473
AIUS [Member] | Advertising and Marketing [Member]
Segment Reporting Information [Line Items]
Total operating expenses	[1]	42,904	45,120	39,390
AIUS [Member] | Admissions [Member]
Segment Reporting Information [Line Items]
Total operating expenses	[1]	35,541	35,141	41,202
AIUS [Member] | Administrative [Member]
Segment Reporting Information [Line Items]
Total operating expenses	[1],[2]	46,555	42,021	54,391
AIUS [Member] | Bad Debt [Member]
Segment Reporting Information [Line Items]
Total operating expenses	[1]	9,607	13,612	13,028
AIUS [Member] | Depreciation and Amortization [Member]
Segment Reporting Information [Line Items]
Total operating expenses	[1]	5,466	6,186	8,149
AIUS [Member] | All Other Expenses [Member]
Segment Reporting Information [Line Items]
Total operating expenses	[1],[3]	4,558	6,905	$ 6,832
USAHS [Member] | Academics and Student Related [Member]
Segment Reporting Information [Line Items]
Total operating expenses	[4]	64,465	5,343
USAHS [Member] | Advertising and Marketing [Member]
Segment Reporting Information [Line Items]
Total operating expenses	[4]	15,183	1,181
USAHS [Member] | Admissions [Member]
Segment Reporting Information [Line Items]
Total operating expenses	[4]	5,324	524
USAHS [Member] | Administrative [Member]
Segment Reporting Information [Line Items]
Total operating expenses	[2],[4]	21,405	1,476
USAHS [Member] | Bad Debt [Member]
Segment Reporting Information [Line Items]
Total operating expenses	[4]	442	201
USAHS [Member] | Depreciation and Amortization [Member]
Segment Reporting Information [Line Items]
Total operating expenses	[4]	30,316	2,516
USAHS [Member] | All Other Expenses [Member]
Segment Reporting Information [Line Items]
Total operating expenses	[3],[4]	$ 17,230	$ 1,440

[1] The prior period operating results for CTU and AIUS were recast to reflect the transition of Hippo Education from CTU to AIUS.

[2] Administrative expense includes allocations from Corporate and Other.

[3] All other expenses primarily include occupancy and asset impairment.

[4] USAHS includes financial information starting from the acquisition date on December 2, 2024.