Variable Interest Entities (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Amounts Due to Non-Consolidated VIEs	$ 15,162	$ 19,680	[1]
Variable Interest Entity, Not Primary Beneficiary
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Maximum Exposure to Loss	5,094	5,355
Amounts Due to Non-Consolidated VIEs	0	0
Variable Interest Entity, Not Primary Beneficiary | Investment in Sponsored Programs
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Maximum Exposure to Loss	917	888
Variable Interest Entity, Not Primary Beneficiary | Due from affiliates
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Maximum Exposure to Loss	2,316	2,592
Variable Interest Entity, Not Primary Beneficiary | Other current assets, net
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Maximum Exposure to Loss	15	29
Variable Interest Entity, Not Primary Beneficiary | Other assets, net
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Maximum Exposure to Loss	$ 1,846	$ 1,846

[1] Derived from audited financials