BUSINESS SEGMENTS - INCOME FROM OPERATIONS (Details) - USD ($) $ in Thousands	2 Months Ended	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting [Abstract]
Segment Adjusted EBITDAR from Operations		$ 20,625		$ 15,357		$ 38,139	$ 30,024
Less: Depreciation and amortization		1,201		962		2,222	1,772
Rent—cost of services		9,767		8,533		19,473	16,830
Less: Costs at start-up operations		473		81		705	317
Share-based compensation expense		1,959		508		3,915	1,127
Acquisition related costs		0		503		0	541
Spin-off related transaction costs		0		1,658		0	4,648
Transaction services costs		267		0		317	0
Net COVID-19 related costs		883		0		1,160	0
Add: net income attributable to noncontrolling interests		0		200	$ 150	0	350
Income from operations		6,075		$ 3,312		10,347	$ 5,139
Revenue, Major Customer [Line Items]
Direct medical supplies, labor, and other expenses	$ 554		$ 277
Transition Services Agreement \| Related party
Revenue, Major Customer [Line Items]
Fees incurred under Transition Services agreement		$ 1,525				$ 2,861

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Direct Medical Supplies, Labor, and Other Expenses

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Income (Loss) From Continuing Operations Before Interest, Taxes, Depreciation And Amortization, Rent Costs, Acquisition Costs And Stock-based Compensation

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Incremental Costs, Direct Medical Supplies, Labor, and Other Expenses

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Spinoff, Transaction Costs

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Start-Up Activities, Costs

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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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Amount of Net Income (Loss) attributable to noncontrolling interest.

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Amount of operating lease expense. Excludes sublease income.

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