Investments in Other Entities - Equity Method - Additional Information (Details) $ / shares in Units, patient in Thousands, member in Thousands							1 Months Ended	3 Months Ended		9 Months Ended
	Aug. 30, 2019 USD ($)	Jul. 01, 2019 USD ($)	Mar. 31, 2019 USD ($)	Jun. 29, 2018 USD ($)	May 14, 2016 USD ($)	Aug. 10, 2015 USD ($) shares	May 31, 2018 USD ($) $ / shares shares	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2019 medical_center	Sep. 30, 2019 USD ($)	Sep. 30, 2019 plan	Sep. 30, 2019 specialty_care_physician	Sep. 30, 2019 primary_care_physician	Sep. 30, 2019 member	Sep. 30, 2019 patient	Sep. 30, 2019 healthcare_professional	Jun. 30, 2019 USD ($)	Apr. 23, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 18, 2018 USD ($)	Sep. 21, 2018 USD ($)	Jun. 30, 2018 USD ($)	Nov. 15, 2016 USD ($)	Jul. 31, 2015 USD ($)	Dec. 31, 2012 USD ($)
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments								$ 2,053,730	$ (4,215,056)	$ 1,161,791	$ (2,573,219)
Investments in other entities – equity method													$ 35,840,105									$ 34,876,980
Cash consideration paid for ownership interest										2,949,000	16,673,840
Dividends received from investment										240,000	207,410
LaSalle Medical Associates – IPA Line of Business
Schedule of Equity Method Investments [Line Items]
Investments in other entities – equity method													6,426,903									7,054,888
Pacific Medical Imaging & Oncology Center, Inc.
Schedule of Equity Method Investments [Line Items]
Amount invested for interest																											$ 1,200,000
Ownership interest																											40.00%
Income (loss) from equity method investments								$ 31,230	4,990	200,000	41,571
Investments in other entities – equity method													1,542,506									1,359,494
Impairment of investments										$ 300,000
Universal Care, Inc.
Schedule of Equity Method Investments [Line Items]
Investments in other entities – equity method													8,794,659									2,635,945
Accountable Health Care
Schedule of Equity Method Investments [Line Items]
Number of medical centers | medical_center												5
Number of employees (more than)															700	400
Ownership interest								100.00%		100.00%														25.00%
Investments in other entities – equity method													0									4,977,957
Number of members of federally qualified health plans (more than) | member																	89
Number federally qualified health plans | plan														3
Interest acquired	75.00%
Diagnostic Medical Group
Schedule of Equity Method Investments [Line Items]
Investments in other entities – equity method													2,714,008									2,257,346
Cash consideration paid for ownership interest					$ 1,600,000
Pacific Ambulatory Surgery Center, LLC
Schedule of Equity Method Investments [Line Items]
Investments in other entities – equity method													0									285,198
Impairment of investments			$ 300,000
College Street Investment LP
Schedule of Equity Method Investments [Line Items]
Ownership interest																									50.00%
Five Three One W. College LLC [Member]
Schedule of Equity Method Investments [Line Items]
Investments in other entities – equity method													16,139,073									16,273,152
MWN Community Hospital LLC
Schedule of Equity Method Investments [Line Items]
Ownership interest																							33.30%
Income (loss) from equity method investments								$ (100,000)		$ (100,000)
Investments in other entities – equity method													200,000									33,000
Initial capital contribution																							$ 3,000
Working capital contribution																				$ 300,000			$ 30,000
MediPortal LLC
Schedule of Equity Method Investments [Line Items]
Term of warrant							5 years
Number of warrants received (in shares) | shares							480,000
Term of option							5 years
Options to purchase additional membership interests (in shares) | shares							380,000
APC LSMA
Schedule of Equity Method Investments [Line Items]
Ownership interest					40.00%
APC LSMA | LaSalle Medical Associates – IPA Line of Business
Schedule of Equity Method Investments [Line Items]
Number of medical centers | medical_center												4
Number of employees (more than) | healthcare_professional																			120
Number of patients (more than) | patient																		319
Amount invested for interest													2,100,000															$ 5,000,000
Ownership interest								25.00%		25.00%																		25.00%
Accountable Health Care
Schedule of Equity Method Investments [Line Items]
Ownership interest	25.00%
AHMC Healthcare Inc
Schedule of Equity Method Investments [Line Items]
Amount invested for interest																					$ 8,300,000
Ownership interest								50.00%		50.00%											25.00%
Initial capital contributions																									$ 16,700,000
Purchase price of real estate				$ 33,300,000
Allied Pacific of California
Schedule of Equity Method Investments [Line Items]
Ownership interest																									25.00%
Initial capital contributions																									$ 8,300,000
Allied Pacific of California | LaSalle Medical Associates – IPA Line of Business
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments								$ (400,000)	200,000	$ (2,800,000)	(800,000)
Investments in other entities – equity method													6,400,000									7,100,000
Allied Pacific of California | Universal Care, Inc.
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments								600,000	(4,600,000)	6,200,000	(2,900,000)
Investments in other entities – equity method													8,800,000									2,600,000
Allied Pacific of California | Diagnostic Medical Group
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments								300,000	200,000	700,000	900,000
Investments in other entities – equity method													2,700,000									$ 2,300,000
Dividends received from investment										200,000
Allied Pacific of California | Pacific Ambulatory Surgery Center, LLC
Schedule of Equity Method Investments [Line Items]
Amount invested for interest																										$ 800,000
Ownership interest																										40.00%
Income (loss) from equity method investments									100,000		300,000
Allied Pacific of California | MediPortal LLC
Schedule of Equity Method Investments [Line Items]
Ownership interest							2.80%
Shares purchased (in shares) | shares							270,000
Cash consideration paid for ownership interest							$ 400,000
Membership interests acquired (in dollars per share) | $ / shares							$ 1.50
Term of warrant							5 years
Number of warrants received (in shares) | shares							270,000
Network Medical Management, Inc.
Schedule of Equity Method Investments [Line Items]
Ownership interest																									25.00%
Investments in other entities – equity method																								$ 5,000,000
Initial capital contributions																									$ 8,300,000
Network Medical Management, Inc. | AchievaMed, Inc.
Schedule of Equity Method Investments [Line Items]
Amount invested for interest		$ 500,000
Ownership interest		10.00%
Investments in other entities – equity method													500,000
Percentage of voting common stock		50.00%
Duration of investment		5 years
APC and NMM
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments								(100,000)		(100,000)
Investments in other entities – equity method													$ 16,100,000
Convertible Debt | Accountable Health Care
Schedule of Equity Method Investments [Line Items]
Loan balance converted																								5,000,000
Convertible Debt | Allied Pacific of California
Schedule of Equity Method Investments [Line Items]
Loan balance converted																								$ 5,000,000
Voting Common Stock A Two | Universal Care Acquisition Partners, LLC | Universal Care, Inc.
Schedule of Equity Method Investments [Line Items]
Shares purchased (in shares) | shares						100,000
Cash consideration paid for ownership interest						$ 10,000,000
Percentage of voting common stock						50.00%
Ancillary Service Contract | Pacific Medical Imaging & Oncology Center, Inc.
Schedule of Equity Method Investments [Line Items]
Fees paid								$ 700,000	$ 700,000	$ 2,100,000	$ 1,900,000
Ancillary Service Contract | Voting Common Stock A Two | Universal Care Acquisition Partners, LLC | Universal Care, Inc.
Schedule of Equity Method Investments [Line Items]
Ownership interest						48.90%
Accountable Health Care
Schedule of Equity Method Investments [Line Items]
Consideration transferred	$ 25,100,000
Dr. Jay | Accountable Health Care
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments	$ 1,800,000
Interest acquired	75.00%
Consideration transferred	$ 7,300,000