Segment Information - Summary of Financial Information for the Company's Segments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Segment Reporting Information
Consolidated revenue	$ 119,802	$ 98,578	$ 224,208	$ 193,244
Total segment depreciation expense	1,032	745	2,042	1,460
Total segment amortization	773	773	1,547	1,547
Selling, general and administrative expense	26,907	27,872	52,283	56,324
Non-segment depreciation and amortization	1,805	1,518	3,589	3,007
Loss from operations	(11,211)	(16,364)	(21,122)	(34,336)
Interest expense, net	1,870	2,118	7,440	4,103
Change in fair value of derivative warrant liabilities	53	(552)	96	(552)
Change in fair value of conversion option derivative liabilities	3,987	(2,568)	7,296	(2,568)
Other, net	19	117	771	49
Consolidated loss before provision for income taxes	(17,140)	(15,479)	(36,725)	(35,368)
Operating segments
Segment Reporting Information
Consolidated revenue	119,802	98,578	224,208	193,244
Total segment direct costs	102,301	85,552	189,458	168,249
Total segment depreciation expense	771	530	1,560	1,076
Total segment amortization	773	774	1,547	1,547
Total segment operating income	15,957	11,722	31,643	22,372
Operating segments | Intravenous (IV) drug costs
Segment Reporting Information
Total segment direct costs	32,800	29,931	64,213	62,655
Operating segments | Clinician salaries and benefits
Segment Reporting Information
Total segment direct costs	14,011	15,461	28,085	29,835
Operating segments | Medical supplies and other
Segment Reporting Information
Total segment direct costs	4,339	1,130	5,932	3,529
Items not allocated to segments
Segment Reporting Information
Selling, general and administrative expense	26,907	27,872	52,283	56,324
Non-segment depreciation and amortization	261	214	482	384
Patient services | Operating segments
Segment Reporting Information
Consolidated revenue	55,891	52,461	108,959	104,914
Total segment direct costs	51,150	46,522	98,230	96,019
Total segment depreciation expense	767	500	1,522	1,015
Total segment amortization	718	719	1,437	1,437
Total segment operating income	3,256	4,720	7,770	6,443
Dispensary | Operating segments
Segment Reporting Information
Consolidated revenue	62,573	44,440	111,866	84,119
Total segment direct costs	51,086	38,801	90,949	71,610
Total segment depreciation expense	4	0	6	0
Total segment operating income	11,483	5,639	20,911	12,509
Clinical trials & other | Operating segments
Segment Reporting Information
Consolidated revenue	1,338	1,677	3,383	4,211
Total segment direct costs	65	229	279	620
Total segment depreciation expense	0	30	32	61
Total segment amortization	55	55	110	110
Total segment operating income	$ 1,218	$ 1,363	$ 2,962	$ 3,420