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Subsequent Events - Additional Information (Detail) $ / shares in Units, $ in Millions |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jan. 01, 2021 shares | Jan. 31, 2021 $ / shares shares | Dec. 31, 2020 USD ($) Businesses
Subsequent Event [Line Items] |  |  |
Cash paid for business acquisition | $ |  |  | $ 17.0
Number of acquired businesses | Business | Businesses |  |  | 2
Business acquisition, maximum contingent consideration | $ |  |  | $ 14.2
Business combination holdback consideration payable | $ |  |  | $ 1.4
Subsequent Event [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Restricted stock shares granted during the period | 1,703,663 |  |
Subsequent Event [Member] | Restricted Stock Units (RSUs) [Member] | Ronald Blalock [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Share based compensation by share based payment arrangement vesting term | 1 year |  |
Share based compensation by share based payment arrangement equity instrument other than options granted during the period | 10,356 |  |
Subsequent Event [Member] | Restricted Stock Units (RSUs) [Member] | Beverly Chase [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Share based compensation by share based payment arrangement vesting term | 1 year |  |
Share based compensation by share based payment arrangement equity instrument other than options granted during the period | 10,356 |  |
Subsequent Event [Member] | Restricted Stock Units (RSUs) [Member] | Coasta [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Share based compensation by share based payment arrangement vesting term | 1 year |  |
Share based compensation by share based payment arrangement equity instrument other than options granted during the period | 10,356 |  |
Subsequent Event [Member] | Restricted Stock Units (RSUs) [Member] | Elizabeth Munoz [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Share based compensation by share based payment arrangement vesting term | 1 year |  |
Share based compensation by share based payment arrangement equity instrument other than options granted during the period | 10,356 |  |
Subsequent Event [Member] | Performance Shares [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Share based compensation by share based payment arangement equity instruments other than options vested |  | 5,000,000 |
Share price | $ / shares |  | $ 12.00 |
Number of trading days |  | 20 days |
Number Of Consecutive Trading Days |  | 30 days |
Subsequent Event [Member] | Performance Shares [Member] | Topco [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Share based compensation by share based payment arangement equity instruments other than options vested |  | 5,000,000 |
Share price | $ / shares |  | $ 12.00 |
Number of trading days |  | 20 days |
Number Of Consecutive Trading Days |  | 30 days |
Subsequent Event [Member] | One Lakh And Twenty Thousand Shares Tranche [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Restricted stock shares granted during the period | 125,000 |  |
Subsequent Event [Member] | Remaining Share Tranche [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Vesting percentage description |  | Common Stock are scheduled to vest in two equal tranches on the first and second anniversaries of the grant date. The remaining RSUs are scheduled to vest in three equal tranches, and a tranche shall vest on each of the first, second and third anniversaries of the grant date. |
Subsequent Event [Member] | Two Thousand And Twenty Incentive Award Plan [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Share based compensation by share based payment arrangement number of shares authorized | 2,557,188 |  |
Share based compensation by share based payment arrangement vesting term | 3 years |  |
Subsequent Event [Member] | Maximum [Member] | Two Thousand And Twenty Incentive Award Plan [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Vesting Percentage |  | 150.00% |
Subsequent Event [Member] | Minimum [Member] | Two Thousand And Twenty Incentive Award Plan [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Vesting Percentage |  | 0.00% |

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