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Share-Based Compensation Plans - Narrative (Details) - USD ($) | 1 Months Ended | 12 Months Ended | 31 Months Ended |
--- | --- | --- | --- | ---
May 31, 2022 | May 31, 2018 | May 31, 2016 | May 31, 2013 | Apr. 30, 2005 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2022 | May 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Share-based compensation vested in period, fair value |  |  |  |  |  | $ 5,623,000 | $ 3,334,000 | $ 9,637,000 |  |
Excess tax benefit realized from vesting of restricted common shares |  |  |  |  |  | $ 230,000 | $ 543,000 | $ (563,000) |  |
Time-based awards |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Weighted average grant date fair value, granted (in dollars per share) |  |  |  |  |  | $ 18.48 | $ 18.71 | $ 35.13 |  |
Unrecognized compensation expense |  |  |  |  |  | $ 2,066,000 |  |  |  |
Employee service share-based compensation, nonvested, period for recognition |  |  |  |  |  | 1 year 1 month 24 days |  |  |  |
Performance-based awards |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Weighted average grant date fair value, granted (in dollars per share) |  |  |  |  |  | $ 17.08 | $ 20.64 |  |  |
Unrecognized compensation expense |  |  |  |  |  | $ 0 |  |  |  |
Phantom Share Units (PSUs) |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Volume-weighted average closing price of stock triggering settlement, period prior to vesting period |  |  |  |  |  | 30 days |  |  |  |
Deferred compensation arrangement with individual, recorded liability |  |  |  |  |  | $ 795,000 |  |  |  |
2016 Plan |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Share-based compensation award reserved for issuance of common shares (in shares) |  |  | 1,800,000 |  |  |  |  |  | 2,900,000 |
Share-based compensation, increase in awards reserved for issuance of common shares (in shares) |  |  |  |  |  |  |  |  |  | 1,100,000
Share-based compensation award granted in period (in shares) |  |  |  |  |  | 3,351,074 |  |  |  |
Share-based compensation award, number of shares available for grant (in shares) |  |  |  |  |  | 1,173,002 |  |  |  |
2016 Plan | Time-based awards |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Share-based compensation award granted in period (in shares) |  |  |  |  |  | 1,378,385 |  |  |  |
Share-based compensation award vesting period |  |  |  |  |  | 3 years | 3 years | 3 years |  |
2016 Plan | Performance-based awards |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Share-based compensation award granted in period (in shares) |  |  |  |  |  | 1,972,689 |  |  |  |
Share-based compensation award forfeited in period (in shares) |  |  |  |  |  | 1,624,076 |  |  |  |
Share-based compensation award vesting period |  |  |  |  |  | 3 years | 3 years | 3 years |  |
Director Share Plan |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Share-based compensation award reserved for issuance of common shares (in shares) | 950,000 | 850,000 |  | 700,000 | 500,000 |  |  |  |  |
Share-based compensation, increase in awards reserved for issuance of common shares (in shares) | 100,000 | 150,000 |  | 200,000 |  |  |  |  |  |
Share-based compensation award vesting period |  |  |  |  |  | 1 year |  |  |  |
Share-based compensation restricted common shares issued (in shares) |  |  |  |  |  | 866,716 |  |  |  |
Share-based compensation, maximum number of shares issuable (in shares) |  |  |  |  |  | 83,284 |  |  |  |

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- Definition Line items represent financial concepts included in a table. 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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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