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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 |

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