Accounts Payable and Accrued Expenses - Schedule of Accounts Payable and Accrued Expenses (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Payables and Accruals [Abstract]
Accounts payable	$ 9,569	$ 6,914
Capitation payable	2,583	2,813
Subcontractor IPA payable	3,413	3,360
Professional fees	2,481	1,837
Due to related parties	0	225
Accrued compensation	10,176	3,238
Contract liabilities	12,252	8,892
Total accounts payable and accrued expenses	$ 40,474	$ 27,279