Apollo Medical Holdings, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Investments in Other Entities - Additional Information (Detail)

Investments in Other Entities - Additional Information (Detail) - USD ($)		3 Months Ended		12 Months Ended
	May 14, 2016	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2015	Dec. 31, 2017	Nov. 15, 2016	Aug. 10, 2015	Jul. 01, 2015	Dec. 31, 2012	Oct. 15, 2012
Income (Loss) from Equity Method Investments		$ (28,024)	$ 2,227,262
Equity Method Investments		21,875,500			$ 21,903,524
Due from Related Parties, Noncurrent		5,000,000			5,000,000
LaSalle Medical Associates IPA [Member]
Equity Method Investments		9,099,975			9,452,767
Pacific Medical Imaging and Oncology Center, Inc [Member]
Equity Method Investment, Ownership Percentage								40.00%
Equity Method Investment, Aggregate Cost								$ 1,200,000
Income (Loss) from Equity Method Investments		(26,025)	51,080
Equity Method Investments		1,374,668			1,400,693
Pacific Medical Imaging and Oncology Center, Inc [Member] \| Ancillary Service Contract [Member]
Payments for Other Fees		400,000	500,000
Universal Care Inc [Member]
Equity Method Investments		$ 8,589,253			8,609,455
Payments for Advance to Affiliate				$ 5,000,000
Loans Receivable, Basis Spread on Variable Rate		1.00%
Due from Related Parties, Noncurrent		$ 5,000,000			$ 5,000,000
Loans Receivable, Interest Rate		5.75%			5.50%
Diagnostic Medical Group [Member]
Equity Method Investments		$ 2,176,453			$ 1,847,411
Payments to Acquire Equity Method Investments	$ 1,600,000
Pacific Ambulatory Surgery Center, LLC [Member]
Equity Method Investments		635,151			593,198
Allied Pacific of California [Member] \| LaSalle Medical Associates IPA [Member]
Income (Loss) from Equity Method Investments		(352,792)	1,311,738
Equity Method Investments		9,099,975			9,452,767
Allied Pacific of California [Member] \| Universal Care Inc [Member]
Income (Loss) from Equity Method Investments		(20,202)	523,301
Equity Method Investments		8,589,253			8,609,455
Allied Pacific of California [Member] \| Diagnostic Medical Group [Member]
Income (Loss) from Equity Method Investments		329,042	361,644
Equity Method Investments		2,176,453			1,847,411
Allied Pacific of California [Member] \| Pacific Ambulatory Surgery Center, LLC [Member]
Equity Method Investment, Ownership Percentage						40.00%
Equity Method Investment, Aggregate Cost						$ 800,000
Income (Loss) from Equity Method Investments		41,953	$ (20,501)
Equity Method Investments		$ 635,151			$ 593,198
APC LSMA [Member]
Equity Method Investment, Ownership Percentage	40.00%
APC LSMA [Member] \| LaSalle Medical Associates IPA [Member]
Equity Method Investment, Ownership Percentage									25.00%
Equity Method Investment, Aggregate Cost									$ 5,000,000
APC LSMA [Member] \| Allied Pacific of California [Member]
Equity Method Investment, Ownership Percentage										100.00%
Universal Care Acquisition Partners, LLC [Member] \| Universal Care Inc [Member]
Equity Method Investment, Aggregate Cost							$ 10,000,000
Universal Care Acquisition Partners, LLC [Member] \| Allied Pacific of California [Member]
Equity Method Investment, Ownership Percentage							100.00%
Voting Common Stock A Two [Member] \| Universal Care Acquisition Partners, LLC [Member] \| Universal Care Inc [Member]
Equity Method Investments, Purchase of Shares							100,000
Equity Method Investments, Proportion of Ownership Interest in Voting Common Stock							50.00%
Voting Common Stock A Two [Member] \| Universal Care Acquisition Partners, LLC [Member] \| Universal Care Inc [Member] \| Ancillary Service Contract [Member]
Equity Method Investment, Ownership Percentage							48.90%