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v3.22.2.2

Share-Based Compensation (Narrative) (Details) $ / shares in Units, $ in Thousands |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Aug. 04, 2022 $ / shares shares | Sep. 30, 2022 USD ($) shares | Sep. 30, 2021 USD ($) | Sep. 30, 2022 USD ($) shares | Sep. 30, 2021 USD ($) | Dec. 31, 2021 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Accelerated compensation expense | $ |  | $ 2,900 | $ 4,800 | $ 12,400 | $ 15,800 |
Unrecognized compensation cost | $ |  | $ 96,800 |  | $ 96,800 |  |
Compensation recognition period (in years) |  |  |  | 3 years |  |
Anti-dilution adjustments of outstanding stock options, convertible, conversion ratio | 1.03275 |  |  |  |  |
Share-based compensation arrangement by share-based payment award, options, outstanding, number, increase (decrease)(in shares) | 104,348 |  |  |  |  |
Stock options granted (in shares) |  |  |  | 142,683 |  |
Stock options exercised (in shares) |  |  |  | 146,608 |  |
Stock options forfeited (in shares) |  |  |  | 0 |  |
Stock options incremental payout (in shares) |  | 61,250 |  | 61,250 |  |
Stock options outstanding (in shares) |  | 3,201,624 |  | 3,201,624 |  | 3,039,951
Share-based compensation expense | $ |  | $ 13,741 | 14,595 | $ 44,597 | 47,685 |
Special Dividend |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Common stock, dividends, per share, cash paid (in USD per share) | $ / shares | $ 13.15 |  |  |  |  |
Non-Management Trustee |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Stock options granted (in shares) |  |  |  | 65,000 |  |
Stock Options |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Expiration period (in years) |  |  |  | 10 years |  |
Share-based compensation expense | $ |  | $ 4,200 | 5,500 | $ 15,800 | 20,500 |
Performance Target, Stock Options |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Stock options granted (in shares) |  |  |  | 77,683 |  |
Award performance period |  |  |  | 3 years |  |
Percentage of target options originally granted (percentage) |  | 200.00% |  | 200.00% |  |
Restricted Share Units |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Share-based compensation expense | $ |  | $ 9,700 | $ 9,600 | $ 30,600 | $ 29,400 |
Grants in period (in shares) |  |  |  | 27,943 |  |
Forfeited in period (in shares) |  |  |  | 18,487 |  |
Vested (in shares) |  |  |  | 76,818 |  |
Issuance of common shares in connection with share-based compensation, net of taxes paid upon net share settlement of restricted share units (in shares) |  |  |  | 55,079 |  |
Restricted share units outstanding (in shares) |  | 503,460 |  | 503,460 |  | 570,822
Performance Target, Restricted Share Units |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Award performance period |  |  |  | 3 years |  |
Grants in period (in shares) |  |  |  | 21,985 |  |
Percentage of target options originally granted (percentage) |  | 200.00% |  | 200.00% |  |
Service-Based Restricted Stock Units (RSUs) |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Grants in period (in shares) |  |  |  | 5,958 |  |
Deferred Stock Units (DSUs) |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Grants in period (in shares) |  |  |  | 1,742 |  |
Unrestricted Common Stock |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Grants in period (in shares) |  |  |  | 310 |  |
Minimum | Stock Options |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Vesting period (in years) |  |  |  | 3 years |  |
Minimum | Restricted Share Units |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Vesting period (in years) |  |  |  | 5 years |  |
Maximum | Stock Options |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Vesting period (in years) |  |  |  | 5 years |  |
Maximum | Restricted Share Units |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Vesting period (in years) |  |  |  | 8 years |  |

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