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Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Concentration Risk by Risk Factor (Details) - Geographic Concentration Risk	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Billed Receivables | Florida
Concentration Risk [Line Items]
Concentration risk, percentage	36.00%	56.00%
Billed Receivables | Indiana
Concentration Risk [Line Items]
Concentration risk, percentage	19.00%	14.00%
Billed Receivables | Texas
Concentration Risk [Line Items]
Concentration risk, percentage	7.00%	3.00%
Revenues Recognized | Florida
Concentration Risk [Line Items]
Concentration risk, percentage	25.00%	25.00%	24.00%
Revenues Recognized | Indiana
Concentration Risk [Line Items]
Concentration risk, percentage	16.00%	15.00%	14.00%
Revenues Recognized | Texas
Concentration Risk [Line Items]
Concentration risk, percentage	14.00%	12.00%	13.00%

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
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