Accounts Payable and Accrued Expenses - Schedule of Accounts Payable and Accrued Expenses (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Payables and Accruals [Abstract]
Accounts payable	$ 9,535	$ 9,554
Capitation payable	2,072	3,541
Subcontractor IPA payable	2,026	1,662
Professional fees	1,579	1,378
Due to related parties	0	50
Contract liabilities	19,275	12,988
Accrued compensation	5,747	6,970
Total accounts payable and accrued expenses	$ 40,234	$ 36,143