Community development related to the claim.

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Compensation arrangement annual incentive bonus.

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Compensation related cost employee welfare benefit.

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The amount of the contract award.

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Share-based compensation arrangement by share-based payment award, granted, accelerated and vested, number.

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Shares repurchased for tax withholding for share based compensation.

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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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The value (monetary amount) of the award the plaintiff seeks in the legal matter.

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Number of options vested.

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Commitment and Contingencies - Additional Information (Details) - USD ($) $ in Millions			12 Months Ended
	Nov. 15, 2020	Jun. 10, 2016	Dec. 31, 2020
Loss Contingencies [Line Items]
Community development related to claim			$ 220.2
Executive Chair
Loss Contingencies [Line Items]
Severance costs	$ 1.8
Compensation arrangement annual incentive bonus	0.9
Compensation related cost employee welfare benefit	$ 0.1
Executive Chair \| Restricted Stock Units (RSUs)
Loss Contingencies [Line Items]
Restricted shares vested under severance agreement			50,818
Shares repurchased for tax withholding for share based compensation			24,550
Executive Chair \| Performance Shares
Loss Contingencies [Line Items]
Shares granted vested and accelerated			50,112
OCD vs ICF Emergency
Loss Contingencies [Line Items]
Loss contingency damages sought value		$ 200.8
Road Home Contract
Loss Contingencies [Line Items]
Contract term, period		3 years
Contract award, value		$ 912.0