Description of Business - Additional Information (Details) $ in Millions				1 Months Ended
	Apr. 30, 2020 USD ($)	Aug. 30, 2019 USD ($)	Jul. 01, 1999	Sep. 30, 2019 USD ($) shares	Mar. 31, 2020 clinic	Mar. 31, 2020 medical_center	Mar. 31, 2020	Mar. 31, 2020 plan	Mar. 31, 2020 specialty_care_physician	Mar. 31, 2020 primary_care_physician	Mar. 31, 2020 enrollee	Mar. 31, 2020 member	Dec. 31, 2019	Jun. 30, 2014
Accountable Health Care
Description Of Business [Line Items]
Consideration transferred		$ 25.1
AMG, Inc
Description Of Business [Line Items]
Consideration transferred				$ 1.6
AP-AMH Medical Corporation | Affiliated Entity
Description Of Business [Line Items]
Amount of loan				$ 545.0
Term of receivable				10 years
Stated rate of note of loan receivable				10.00%
Interest rate in the event of default				10.75%
APC | Affiliated Entity
Description Of Business [Line Items]
Number of shares purchased by related party | shares				15,015,015
Stock subscription				$ 300.0
Proxy votes				9.99%
APC
Description Of Business [Line Items]
Fixed term of amended and restated management and administrative services agreement			30 years
APC | Accountable Health Care
Description Of Business [Line Items]
Interest acquired		25.00%
APC | AMG, Inc
Description Of Business [Line Items]
Value of shares transferred in acquisition				$ 0.4
APC | Universal Care Acquisition Partners, LLC
Description Of Business [Line Items]
Investment, ownership interest														100.00%
APC | Apollo Medical Holdings, Inc
Description Of Business [Line Items]
Investment, ownership interest							32.44%						32.50%
APC | Concourse Diagnostic Surgery Center, LLC
Description Of Business [Line Items]
Investment, ownership interest							45.01%
APC | Universal Care, Inc. | Subsequent Event
Description Of Business [Line Items]
Ownership interest disposed	48.90%
Cash consideration received, sale of equity method investment	$ 69.2
Repayment of indebtedness received	16.5
Additional cash consideration entitled to be received	15.6
APC | AP-AMH Medical Corporation | Affiliated Entity | Series A Preferred Stock
Description Of Business [Line Items]
Number of shares purchased by related party | shares				1,000,000
APC | Bright | Preferred Stock | Universal Care, Inc. | Subsequent Event
Description Of Business [Line Items]
Value of non-cash consideration received	33.3
Value of additional non-cash consideration to be received	$ 5.9
APC LSMA | Accountable Health Care
Description Of Business [Line Items]
Interest acquired		75.00%
APC LSMA | AMG, Inc
Description Of Business [Line Items]
Interest acquired				100.00%
Payments to acquire business				$ 1.2
APC LSMA | Maverick Medical Group, Inc
Description Of Business [Line Items]
Ownership interest							100.00%
Alpha Care Medical Group, Inc.
Description Of Business [Line Items]
Number of healthcare enrollees (over) | enrollee											170,000
Accountable Health Care
Description Of Business [Line Items]
Number of employees (more than)									700	300
Number of medical centers | medical_center						4
Number of members of federally qualified health plans (more than) | member												80,000
Number federally qualified health plans | plan								3
AMG, Inc
Description Of Business [Line Items]
Number of family practice clinics | clinic					3
Universal Care Acquisition Partners, LLC | APC | Universal Care, Inc. | Subsequent Event
Description Of Business [Line Items]
Investment, ownership interest	48.90%