Revenue - Schedule of Remaining Performance Obligations related to Warranty (Details) - Long-term Warranty and Service $ in Thousands	Dec. 31, 2023 USD ($)
2024	$ 15,979
2025	24,780
2026	18,225
Thereafter	$ 8,563

Amount of transaction price allocated to performance obligation that has not been recognized as revenue in year three and thereafter.

No definition available.

Name:	aray_RevenueRemainingPerformanceObligationInYearThreeAndThereafter
Namespace Prefix:	aray_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant