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Capital Stock - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Stockholders Equity Note [Line Items] |  |  |  |
Preferred stock, shares issued | 0 |  |  |
Preferred stock, shares outstanding |  | 0 |  |
Number of restricted shares granted | 1,241,742 |  |  |
Market value of common stock on the dates of grant | $ 21.91 |  |  |
Restricted stock grants vested | 617,607 |  |  |
Incremental stock-based compensation expense arising from the modification |  | $ 521 |  |
Unrecognized compensation expense | $ 3,616 |  |  |
Maximum |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |
Number of hypothetical shares of common stock at maximum IRR level | 344,071 |  |  |
Restricted Stock |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |
Number of restricted shares granted | 1,241,742 | 1,555,361 | 315,899 |
Market value of common stock on the dates of grant |  | $ 17.68 | $ 37.34 |
Restricted stock grants vested |  | 832,609 | 209,821 |
Unrecognized compensation expense | $ 23,234 |  |  |
Remaining Compensation Expense recognition period (in years) | 2 years |  |  |
Restricted Stock | Directors |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |
Award vesting period for restricted stock |  | 1 year |  |
Restricted Stock | Minimum |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |
Market value of common stock on the dates of grant | $ 16.09 |  |  |
Forfeiture rate for restricted stock awards |  | 0.00% |  |
Restricted Stock | Minimum | Employees |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |
Award vesting period for restricted stock |  | 1 year |  |
Restricted Stock | Maximum |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |
Market value of common stock on the dates of grant | $ 24.48 |  |  |
Forfeiture rate for restricted stock awards |  | 10.00% |  |
Restricted Stock | Maximum | Employees |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |
Award vesting period for restricted stock |  | 4 years |  |
Restricted Stock Units (RSUs) |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |
Restricted stock grants vested | 232,200 | 208,204 | 90,895 |
Weighted average grant date fair value per share as of date of modification |  | $ 32.12 | $ 36.77 |
Remaining Compensation Expense recognition period (in years) |  | 1 year |  |
Number of hypothetical shares of common stock |  | 436,681 | 306,651 |
Share-based compensation arrangement by share-based payment award, description |  | The financial performance factors are based on an implied equity value concept that determines an internal rate of return (“IRR”) for a two year measurement period, as defined in the award agreement, based on a formula utilizing a multiple of Adjusted EBITDA subject to certain specified adjustments (as defined in the restricted stock unit award agreement). |  |
Share-based compensation arrangement by share-based payment award, vesting condition |  | All payouts of restricted stock units that vest will be subject to an additional service requirement and will be paid in the form of common stock if the participant continues to provide services through the fourth anniversary of the grant date. |  |
Internal rate of return, performance period |  | 2 years |  |
Restricted Stock Units (RSUs) | Minimum |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |
Expected forfeiture rate |  | 0.00% | 0.00% | 0.00%
Restricted Stock Units (RSUs) | Maximum |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |
Expected forfeiture rate |  | 5.00% | 5.00% | 5.00%

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