v3.26.1
Revenue Recognition - Changes in Deferred Revenue Balances (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Deferred Revenue Arrangement [Line Items]    
Gross deferred revenue, beginning balance $ 80,290 $ 61,291
Revenue earned from prior balances (67,480) (50,423)
Billings during period [1] 204,790 293,487
Revenue earned for new billings during the period (153,142) (161,425)
Other adjustments (116) (1,439)
Gross deferred revenue, ending balance 64,342 141,491
University Group [Member] | CTU [Member]    
Deferred Revenue Arrangement [Line Items]    
Gross deferred revenue, beginning balance 37,420 33,168
Revenue earned from prior balances (34,923) (29,888)
Billings during period [1] 102,755 175,585
Revenue earned for new billings during the period (85,089) (85,459)
Other adjustments 335 (1,020)
Gross deferred revenue, ending balance 20,498 92,386
University Group [Member] | AIUS [Member]    
Deferred Revenue Arrangement [Line Items]    
Gross deferred revenue, beginning balance 41,473 26,555
Revenue earned from prior balances (31,160) (19,672)
Billings during period [1] 45,354 65,515
Revenue earned for new billings during the period (26,442) (37,648)
Other adjustments 411 53
Gross deferred revenue, ending balance 29,636 34,803
University Group [Member] | USAHS [Member]    
Deferred Revenue Arrangement [Line Items]    
Gross deferred revenue, beginning balance 1,397 1,568
Revenue earned from prior balances (1,397) (863)
Billings during period [1] 56,681 52,387
Revenue earned for new billings during the period (41,611) (38,318)
Other adjustments (862) (472)
Gross deferred revenue, ending balance $ 14,208 $ 14,302
[1] Billings during period includes adjustments for prior billings.