Investments in Other Entities (Equity Method) (Detail) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Equity Method Investments	$ 24,122,895	$ 21,903,524
Universal Care Inc [Member]
Equity Method Investments	5,674,791	8,609,455
LaSalle Medical Associates - IPA Line of Business [Member]
Equity Method Investments	8,667,419	9,452,767
Diagnostic Medical Group [Member]
Equity Method Investments	2,537,929	1,847,411
Pacific Medical Imaging and Oncology Center, Inc [Member]
Equity Method Investments	1,442,264	1,400,693
Pacific Ambulatory Surgery Center, LLC [Member]
Equity Method Investments	853,243	593,198
Accountable Health Care IPA [Member]
Equity Method Investments	$ 4,947,249	$ 0

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=109237563&loc=d3e33749-111570

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 25
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8813-108599

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant