Investments in Other Entities — Summarized Balance Sheets and Statements of Income (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Assets
Cash and cash equivalents		$ 233,097	$ 193,470	$ 103,189
Receivables, net		10,608	7,058
Loans receivable		4,000	0
Total assets	[1]	852,363	817,486
Liabilities and stockholders’ deficit
Current liabilities		115,371	114,992
Stockholders’ deficit		460,490	330,911	192,335	$ 181,545
Total liabilities, mezzanine equity, and stockholders’ equity		852,363	817,486
Statements of Operations
Revenues		773,915	687,180	560,618
Expenses		675,736	606,677	528,198
Income from operations		98,179	80,503	32,420
Other (loss) income		(3,750)	1,077	3,030
Net income		49,294	122,320	17,673
LaSalle Medical Associates
Assets
Cash and cash equivalents		6,619	9,350
Receivables, net		2,269	3,918
Other current assets		0	881
Loans receivable		2,250	2,250
Restricted cash		696	691
Total assets		11,834	17,090
Liabilities and stockholders’ deficit
Current liabilities		32,405	21,589
Stockholders’ deficit		(20,571)	(4,499)
Total liabilities, mezzanine equity, and stockholders’ equity		11,834	17,090
Statements of Operations
Revenues		204,061	186,964	194,020
Expenses		220,132	185,724	205,153
Income from operations		(16,071)	1,240	(11,133)
Other (loss) income		0	8	0
Net income		$ (16,071)	$ 1,248	$ (11,133)

[1] The Company’s consolidated balance sheets include the assets and liabilities of its consolidated VIEs. The consolidated balance sheets include total assets that can be used only to settle obligations of the Company’s consolidated VIEs totaling $567.0 million and $576.1 million as of December 31, 2021 and December 31, 2020, respectively, and total liabilities of the Company’s consolidated VIEs for which creditors do not have recourse to the general credit of the primary beneficiary of $91.7 million and $88.6 million as of December 31, 2021 and December 31, 2020, respectively. These VIE balances do not include $802.8 million of investment in affiliates and $6.6 million of amounts due from affiliates as of December 31, 2021 and $225.1 million of investment in affiliates and $22.7 million of amounts due to affiliates as of December 31, 2020 as these are eliminated upon consolidation and not presented within the consolidated balance sheets. See Note 18 – “Variable Interest Entities (VIEs)” for further detail.