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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Allowance for doubtful accounts      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Period $ 7,169 $ 9,337 $ 10,271
Charged  (Credited) to Costs and Expenses 540 (1,725) 516
Write-offs (Recoveries) of Doubtful Accounts 63 443 1,450
Balance at End of Period 7,646 7,169 9,337
Allowance for doubtful student notes      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Period 21,662 22,702 23,491
Charged  (Credited) to Costs and Expenses 24,617 22,490 22,318
Write-offs (Recoveries) of Doubtful Accounts 26,908 23,530 23,107
Balance at End of Period $ 19,371 $ 21,662 $ 22,702