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Stock Based Compensation and Other Benefit Plans - 2010 Plan and Inducement Awards (Details) |  | 3 Months Ended
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Jan. 03, 2023 item installment $ / shares shares | Mar. 31, 2023 $ / shares shares | Mar. 31, 2022 shares
Share-based compensation |  |  |
Stock price (in dollars per share) | $ / shares | $ 18.66 |  |
Number of shares granted | shares |  | 725,000 |
Exercise price (in dollars per share) | $ / shares |  | $ 23.74 |
Executive Chairman of the Board and Interim CEO, Owen Hughes |  |  |
Share-based compensation |  |  |
Number of award grants | item | 2 |  |
Chief Investment Officer, Bradley Sitko |  |  |
Share-based compensation |  |  |
Number of award grants | item | 2 |  |
2010 Plan |  |  |
Share-based compensation |  |  |
Number of shares granted | shares |  | 0 |
2010 Plan | Stock Options |  |  |
Share-based compensation |  |  |
Minimum age required for employees to qualify for immediate vesting of award |  | 55 years |
Threshold years required for retirement age |  | 70 years |
2010 Plan | Stock Options | Employees |  |  |
Share-based compensation |  |  |
Vesting period |  | 3 years |
2010 Plan | Stock Options | Directors |  |  |
Share-based compensation |  |  |
Vesting period |  | 1 year |
Stock Option Inducement Awards | Chief Investment Officer, Bradley Sitko |  |  |
Share-based compensation |  |  |
Number of award grants | item | 2 |  |
Stock Option Inducement Award, Exercise price of $18.66 per share |  |  |
Share-based compensation |  |  |
Number of shares granted | shares |  |  | 0
Exercise price (in dollars per share) | $ / shares |  | $ 18.66 |
Stock Option Inducement Award, Exercise price of $18.66 per share | Executive Chairman of the Board and Interim CEO, Owen Hughes |  |  |
Share-based compensation |  |  |
Number of shares granted | shares | 100,000 |  |
Exercise price (in dollars per share) | $ / shares | $ 18.66 |  |
Number of equal quarterly vesting installments | installment | 4 |  |
Stock Option Inducement Award, Exercise price of $18.66 per share | Chief Investment Officer, Bradley Sitko |  |  |
Share-based compensation |  |  |
Number of shares granted | shares | 300,000 |  |
Exercise price (in dollars per share) | $ / shares | $ 18.66 |  |
Number of successive equal monthly vesting installments | installment | 36 |  |
Stock Option Inducement Award, Exercise price of $30.00 per share |  |  |
Share-based compensation |  |  |
Number of shares granted | shares |  |  | 0
Exercise price (in dollars per share) | $ / shares |  | $ 30.00 |
Stock Option Inducement Award, Exercise price of $30.00 per share | Executive Chairman of the Board and Interim CEO, Owen Hughes |  |  |
Share-based compensation |  |  |
Number of shares granted | shares | 75,000 |  |
Exercise price (in dollars per share) | $ / shares | $ 30.00 |  |
Number of successive equal monthly vesting installments | installment | 36 |  |
Stock Option Inducement Award, Exercise price of $30.00 per share | Chief Investment Officer, Bradley Sitko |  |  |
Share-based compensation |  |  |
Number of shares granted | shares | 250,000 |  |
Exercise price (in dollars per share) | $ / shares | $ 30.00 |  |
Vesting (as a percent) | 25.00% |  |

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- Definition Gross number of share options (or share units) granted during the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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