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Summary of Significant Accounting Policies - Additional Information (Details) $ in Thousands |  | 3 Months Ended |  |
--- | --- | --- | --- | ---
Jul. 01, 2018 | Mar. 31, 2025 USD ($) segment item | Mar. 31, 2024 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
Summary Of Significant Accounting Policies |  |  |  |  |
Investments |  | $ 160,144 |  | $ 0 |
Other assets |  | $ 2,572 |  | 1,357 |
Number of operating segments | segment |  | 1 |  |  |
Number of reporting units | segment |  | 1 |  |  |
Number of university partners | item |  | 22 |  |  |
Goodwill |  | $ 160,766 |  | 160,766 |
Unbilled revenue |  | 3,880 |  | 115 |
Amounts written off |  | 0 |  |  |
Allowance for doubtful accounts |  | 0 |  |  |
Stockholders equity |  | 780,704 | $ 759,447 | 783,853 | $ 718,014
Income tax expense |  | 19,786 | $ 20,195 |  |
Cash in excess of FDIC insured limits |  | $ 143,509 |  | 323,124 |
Revenue Benchmark | Customer Concentration Risk | Grand Canyon University |  |  |  |  |
Summary Of Significant Accounting Policies |  |  |  |  |
Concentration risk percentage |  | 90.40% | 89.70% |  |
Computer Software |  |  |  |  |
Summary Of Significant Accounting Policies |  |  |  |  |
Estimated average useful life |  | 3 years |  |  |
Capitalized Content Development |  |  |  |  |
Summary Of Significant Accounting Policies |  |  |  |  |
Estimated average useful life |  | 4 years |  |  |
Other assets |  | $ 596 |  | $ 658 |
University partner relationships |  |  |  |  |
Summary Of Significant Accounting Policies |  |  |  |  |
Estimated average useful life |  | 25 years |  |  |
Minimum |  |  |  |  |
Summary Of Significant Accounting Policies |  |  |  |  |
Initial contract terms of service agreements |  | 7 years |  |  |
Maximum |  |  |  |  |
Summary Of Significant Accounting Policies |  |  |  |  |
Initial contract terms of service agreements |  | 15 years |  |  |
Master Services Agreement | Grand Canyon University |  |  |  |  |
Summary Of Significant Accounting Policies |  |  |  |  |
Percentage of tuition and fee revenue used for closing of purchase agreement | 60.00% |  |  |  |

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