For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
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-Section 50
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-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

REPORTING ENTITY (Details) - Premiums and services revenue - Government contracts concentration risk	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Federal government contracts
Concentration Risk [Line Items]
Premiums and services revenue (percent)	83.00%	82.00%	81.00%
CMS, coverage for individual Medicare Advantage members in Florida
Concentration Risk [Line Items]
Premiums and services revenue (percent)	14.00%