Summary of Significant Accounting Policies - Concentrations of Credit Risk (Details) - Healthcare - Third Party Payor Medicare - Payor Concentration Risk - Accounts Receivable - customer	3 Months Ended	12 Months Ended
Mar. 31, 2020	Dec. 31, 2019
Concentration Risk
Number of major customers	1	1
Concentration risk, percentage	21.00%	22.00%

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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
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