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Stock Based Compensation - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021 | Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-based compensation expense | $ 1,100 | $ 1,100 |  |
Restricted Stock |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Non-vested shares (in shares) | 2,220,337 | 1,994,972 | 1,909,107 | 1,603,766
Unrecognized compensation cost | $ 8,200 | $ 8,400 |  |
Unrecognized compensation cost, period for recognition | 2 years 2 months 12 days |  |  |
Fair value of vested shares | $ 3,200 | $ 2,100 |  |
Shares vested (in shares) | 884,959 | 538,243 |  |
PSUs |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Fair value of vested shares | $ 2,600 | $ 3,700 |  |
Fair value, expected term | 3 years |  |  |
Fair value, expected term for volatility rate | 3 years |  |  |
Shares vested (in shares) | 733,496 | 974,074 |  |
Vested shares target (in shares) | (1,074,918) | (842,792) |  |
RSUs |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Non-vested shares (in shares) | 1,054,880 | 1,076,447 | 1,016,252 | 441,746
Fair value of vested shares | $ 1,400 | $ 500 |  |
Requisite service period | 3 years |  |  |
Shares vested (in shares) | 383,639 | 147,254 |  |
2017 Incentive Plan |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Maximum number of shares that may be issued (in shares) | 43,170,000 |  |  |
Shares available for grant (in shares) | 28,951,433 |  | 31,367,872 |
2017 Incentive Plan | Restricted Stock |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Shares issued (in shares) |  |  | 2,689,394 |
Non-vested shares (in shares) | 2,220,337 |  | 1,909,107 |
2017 Incentive Plan | PSUs |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Shares available for grant (in shares) | 6,233,373 |  | 6,168,886 |
Share-based compensation expense | $ 1,400 | $ 1,400 |  |
Unrecognized compensation cost | $ 10,300 | 12,900 |  |
Unrecognized compensation cost, period for recognition | 2 years |  |  |
Award vesting period | 3 years |  | 3 years | 3 years
Number of consecutive trading days for Total Shareholder Return (TSR) calculation | 30 days |  |  |
2017 Incentive Plan | PSUs | Relative TSR Performance is Less Than the 30th Percentile |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Award vesting rights, percentage | 0.00% |  |  |
2017 Incentive Plan | PSUs | Relative TSR Performance is Equal to the 50th Percentile |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Award vesting rights, percentage | 100.00% |  |  |
2017 Incentive Plan | RSUs |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Shares available for grant (in shares) | 1,054,880 |  | 1,016,252 |
Share-based compensation expense | $ 500 | 400 |  |
Unrecognized compensation cost | $ 3,800 | $ 4,300 |  |
Unrecognized compensation cost, period for recognition | 2 years |  |  |
2017 Incentive Plan | Director |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Shares issued (in shares) | 687,503 |  | 687,503 |
2017 Incentive Plan | Employee |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Shares issued (in shares) | 3,885,583 |  |  |

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