Description of the Business (Details)	6 Months Ended
	Jun. 30, 2022 state clinic subsidiary oncologist
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of wholly-owned subsidiaries | subsidiary	3
Minimum number of oncologists and mid-level professionals within three states | oncologist	93
Minimum number of clinic locations within three states | clinic	55
Number of states in which entity operates | state	5