Income Taxes - Summary of Reconciliation of Income Taxes at Statutory Rates (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Loss before income taxes (continuing and discontinued operations)	$ (31,544)	$ (180,748)
Statutory tax rate	21.00%	21.00%
Expense based on statutory rates	$ (6,624)	$ (37,957)
Permanent non-deductible items	14,036	48,200
Non-controlling interests	315	342
State taxes	1,650	(12,023)
Change in state rate reconciliation	(14)	(20)
Change in valuation allowance	119	738
Canadian losses	(330)	(389)
Pre-acquisition partnership income		3,169
Net changes in deferred tax liabilities	305	(683)
Intangibles adjustment	6,004
Less taxes on discontinued operations	(412)	(411)
Income tax expense	$ 15,049	$ 966

Income tax reconciliation change in change in state rate reconciliation.

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Income tax reconciliation intangibles adjustment.

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Income tax reconciliation, net changes in deferred tax liabilities.

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Income tax reconciliation, pre-acquisition partnership income.

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Income tax reconciliation taxes on discontinued operations

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount, before tax, of income (loss) including portion attributable to noncontrolling interest. Includes, but is not limited to, income (loss) from continuing operations, discontinued operations and equity method investments.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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