Description of the Business (Details)	9 Months Ended
	Sep. 30, 2022 oncologist clinic state subsidiary
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of wholly-owned subsidiaries | subsidiary	4
Minimum number of oncologists and mid-level professionals within three states | oncologist	100
Minimum number of clinic locations within three states | clinic	60
Number of states in which entity operates | state	5