Joint Venture - Summary of Financial Information of Joint Ventures (Operations Data) (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Sep. 30, 2023	Jun. 30, 2023
Schedule Of Equity Method Investments [Line Items]
Revenue	$ 101,545		$ 103,892
Gross profit	34,469		39,493
Net income (loss)	$ (3,954)		$ (2,969)
CNNC Accuray (Tianjin) Medical Technology Co. Ltd.
Schedule Of Equity Method Investments [Line Items]
Revenue		$ 21,834		$ 31,855
Gross profit		4,850		5,813
Net income (loss)		(148)		879
Net income (loss) attributable to the Company		$ (72)		$ 431