Variable Interest Entities (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Variable Interest Entity [Line Items]
Current assets	$ 336,342				$ 336,342		$ 113,084
Assets	347,699				347,699		118,697
Current liabilities	27,344				27,344		15,228
Liabilities	54,645				54,645		15,609
Net loss	(9,153)	$ (51,404)	$ (981)	$ (6,033)	$ (60,557)	$ (7,014)
Affiliated Medical Groups
Variable Interest Entity [Line Items]
Percentage owned by licensed physicians					100.00%
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Current assets	800				$ 800		800
Assets	1,400				1,400		1,400
Current liabilities	1,100				1,100		800
Liabilities	1,400				1,400		$ 1,200
Net loss	(1,100)		300		(2,900)	(2,100)
Variable Interest Entity, Primary Beneficiary | Consolidation, Eliminations
Variable Interest Entity [Line Items]
Payments for services	$ 4,200		$ 3,300		$ 7,600	$ 3,600