Investments in Other Entities - Additional Information (Details) - USD ($)	1 Months Ended			3 Months Ended
	Sep. 30, 2021	Jul. 31, 2019	May 31, 2018	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Aug. 31, 2021	Jul. 31, 2015
Schedule of Equity Method Investments [Line Items]
Distribution				$ 200,000
Income (loss) from equity method investments				1,433,000	$ (677,000)
Investments in other entities – equity method				44,383,000		$ 41,715,000
APC | MediPortal LLC
Schedule of Equity Method Investments [Line Items]
Membership interests purchased (in shares)			270,000
Payments to purchase membership interests			$ 400,000
Membership interests acquired (in dollars per share)			$ 1.50
Ownership percentage			2.80%
Term of warrant			5 years
Number of warrants received (in shares)			270,000
Term of option			5 years
Options to purchase additional membership interests (in shares)			380,000
Number of warrants available to purchase, contingent upon the portal completion date (in shares)			480,000
Network Medical Management, Inc. | AchievaMed, Inc.
Schedule of Equity Method Investments [Line Items]
Ownership percentage		10.00%
Percentage of voting common stock, within five years		50.00%
Duration of investment		5 years
Investment amount		$ 500,000
Related investment balance				500,000
LaSalle Medical Associates
Schedule of Equity Method Investments [Line Items]
Distribution				0
Income (loss) from equity method investments				1,258,000
Investments in other entities – equity method				$ 4,292,000		3,034,000
LaSalle Medical Associates | APC and APC-LSMA | Convertible Secured Promissory Note | Dr. Arteaga
Schedule of Equity Method Investments [Line Items]
Ownership percentage sold	21.25%
Distribution	$ 6,400,000
LaSalle Medical Associates | APC LSMA
Schedule of Equity Method Investments [Line Items]
Ownership interest				25.00%
LaSalle Medical Associates | APC
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments				$ 1,300,000	(700,000)
Pacific Medical Imaging & Oncology Center, Inc.
Schedule of Equity Method Investments [Line Items]
Distribution				0
Income (loss) from equity method investments				6,000
Investments in other entities – equity method				1,725,000		1,719,000
Pacific Medical Imaging & Oncology Center, Inc. | APC LSMA
Schedule of Equity Method Investments [Line Items]
Ownership interest								40.00%
Pacific Medical Imaging & Oncology Center, Inc. | APC
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments				6,700	(15,000)
Investments in other entities – equity method				1,700,000		1,700,000
Pacific Medical Imaging & Oncology Center, Inc. | APC | Ancillary Service Contract
Schedule of Equity Method Investments [Line Items]
Fees paid				700,000	500,000
531 W. College LLC
Schedule of Equity Method Investments [Line Items]
Distribution				0
Income (loss) from equity method investments				(182,000)
Investments in other entities – equity method				$ 17,048,000		17,230,000
531 W. College LLC | APC
Schedule of Equity Method Investments [Line Items]
Ownership interest				50.00%
Income (loss) from equity method investments				$ (200,000)	(100,000)
One MSO, LLC – related party
Schedule of Equity Method Investments [Line Items]
Distribution				200,000
Income (loss) from equity method investments				137,000	100,000
Investments in other entities – equity method				$ 2,847,000		2,910,000
One MSO, LLC – related party | APC
Schedule of Equity Method Investments [Line Items]
Ownership interest				50.00%
Tag-6 Medical Investment Group, LLC
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments				$ 66,000	0
Investments in other entities – equity method				$ 6,300,000		4,800,000
Tag-6 Medical Investment Group, LLC | APC
Schedule of Equity Method Investments [Line Items]
Ownership interest				50.00%
CAIPA MSO, LLC
Schedule of Equity Method Investments [Line Items]
Distribution				$ 0
Income (loss) from equity method investments				148,000	$ 0
Investments in other entities – equity method				$ 12,140,000		$ 11,992,000	$ 11,700,000
CAIPA MSO, LLC | Apollo Medical Holdings, Inc
Schedule of Equity Method Investments [Line Items]
Ownership interest							30.00%