Discontinued Operations (Additional Information) (Details) - USD ($) $ in Thousands				3 Months Ended				15 Months Ended
	Jun. 17, 2022	Mar. 10, 2022	Dec. 11, 2018	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Dec. 31, 2021	Dec. 31, 2022
Earn Out Received					$ 4,100		$ 2,900	$ 7,000
Loss on disposal of discontinued operations before income taxes				$ 0		$ (3,359)
Wendel Group and Colibri Group | Equity Purchase Agreement
Cash balance		$ 21,500
Sale of stock		$ 962,700
DeVry University
Earn Out Term			10 years
Earn Out Maximum			$ 20,000
EduPristine | Wendel Group and Colibri Group | Equity Purchase Agreement
Cash Transferred In Divestitures Of Discontinued Operation	$ 1,900
Association of Certified Anti-Money Laundering Specialists | Wendel Group and Colibri Group | Equity Purchase Agreement
Loss on disposal of discontinued operations before income taxes						$ (3,400)