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
-SubTopic 10
-Section 50
-Paragraph 42
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13531-108611

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
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-Section 50
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-Subparagraph (a)
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-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

Organization, Description of Business and Summary of Significant Accounting Policies - Schedule of Third-party Payers And Other Customers (Details) - Customer concentration risk	3 Months Ended			6 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenue \| Medicare
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk	34.00%		18.00%	31.00%	23.00%
Revenue \| UnitedHealthcare
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk	10.00%		10.00%	10.00%	10.00%
Revenue \| Customers Representing >10% Of Total Revenue
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk	44.00%		28.00%	41.00%	33.00%
Accounts receivable \| Medicare
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk		13.00%		19.00%
Accounts receivable \| UnitedHealthcare
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk		12.00%		12.00%