CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenues:
Total revenues	$ 1,482,758	$ 1,069,115	$ 3,087,112	$ 2,123,427
Expenses:
General and administrative (including noncash stock-based compensation expense of $18,207, $19,446, $35,116, and $33,031, respectively)	69,612	79,254	146,034	149,006
Depreciation and amortization	5,907	4,279	11,751	7,233
Total expenses	1,526,102	1,098,072	3,137,634	2,151,967
Income (loss) from operations	(43,344)	(28,957)	(50,522)	(28,540)
Other income (expense):
Income (loss) from equity method investments	9,955	8,472	15,639	9,848
Other income (expense), net	4,841	7,087	10,733	14,979
Interest expense	(1,697)	(1,555)	(2,981)	(3,048)
Income (loss) before income taxes	(30,245)	(14,953)	(27,131)	(6,761)
Income tax benefit (expense)	(417)	(1,073)	(284)	686
Income (loss) from continuing operations	(30,662)	(16,026)	(27,415)	(6,075)
Discontinued operations:
Income (loss) before gain (loss) on sales	0	(769)	(518)	5,239
Gain (loss) on sales of assets, net	0	0	(8,763)	0
Total discontinued operations	0	(769)	(9,281)	5,239
Net income (loss)	(30,662)	(16,795)	(36,696)	(836)
Noncontrolling interests’ share in (earnings) loss	(20)	46	(50)	109
Net income (loss) attributable to common shares	$ (30,682)	$ (16,749)	$ (36,746)	$ (727)
Net income (loss) per common share, basic and diluted
Continuing operations, basic (US dollar per share)	$ (0.07)	$ (0.04)	$ (0.07)	$ (0.01)
Continuing operations, diluted (US dollar per share)	(0.07)	(0.04)	(0.07)	(0.01)
Discontinued operations, basic (US dollar per share)	0	0	(0.02)	0.01
Discontinued operations, diluted (US dollar per share)	$ 0	$ 0	$ (0.02)	$ 0.01
Weighted average shares outstanding
Basic (in shares)	411,271	410,338	409,152	411,748
Diluted (in shares)	411,271	410,338	409,152	411,748
Medical services revenue
Revenues:
Total revenues	$ 1,479,579	$ 1,067,234	$ 3,080,774	$ 2,120,353
Expenses:
Expenses	1,374,060	932,823	2,817,902	1,830,395
Other operating revenue
Revenues:
Total revenues	3,179	1,881	6,338	3,074
Expenses:
Expenses	$ 76,523	$ 81,716	$ 161,947	$ 165,333