CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues:
Total revenues	$ 1,833,559	$ 1,218,333	$ 794,411
Expenses:
Medical services expense	1,647,659	1,021,877	725,374
Other medical expenses	109,487	102,306	40,526
General and administrative	455,821	137,292	122,832
Depreciation and amortization	14,544	13,531	12,253
Total expenses	2,227,511	1,275,006	900,985
Income (loss) from operations	(393,952)	(56,673)	(106,574)
Other income (expense):
Other income (expense), net	(4,500)	2,465	955
Interest expense	(6,146)	(8,135)	(9,068)
Income (loss) before income taxes	(404,598)	(62,343)	(114,687)
Income tax benefit (expense)	(886)	(865)	232
Income (loss) from continuing operations	(405,484)	(63,208)	(114,455)
Discontinued operations:
Income (loss) before impairments, gain (loss) on sales and income taxes	(3,463)	(20,049)	(86,108)
Impairments	0	0	(98,343)
Gain (loss) on sales of assets, net	473	20,401	0
Income tax benefit (expense)	1,687	2,804	16,166
Total discontinued operations	(1,303)	3,156	(168,285)
Net income (loss)	(406,787)	(60,052)	(282,740)
Noncontrolling interests' share in (earnings) loss	300	0	152
Net income (loss) attributable to common shares	$ (406,487)	$ (60,052)	$ (282,588)
Net income (loss) per common share, basic and diluted
Continuing operations	$ (1.09)	$ (0.20)	$ (0.39)
Discontinued operations	$ 0	$ 0.01	$ (0.57)
Weighted average shares outstanding, basic and diluted	372,931	323,462	294,738
Medical Services Revenue
Revenues:
Total revenues	$ 1,829,735	$ 1,214,270	$ 788,566
Other Operating Revenue
Revenues:
Total revenues	$ 3,824	$ 4,063	$ 5,845