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Stock-Based Compensation - Stock Units Rollforward (Details) - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Stock Units [Roll Forward] |  |  |  |
Outstanding at December 31, 2021 (in shares) |  | 1,758,220 |  |
Granted (in shares) |  | 1,170,884 |  |
Vested and distributed (in shares) |  | (350,656) |  | (377,073)
Forfeited (in shares) |  | (161,938) |  |
Other - decrease due to performance of PSUs (in shares) |  | (1,743,341) |  |
Outstanding at December 31, 2022(in shares) |  | 673,169 | 1,758,220 |
Weighted Average Grant Date Fair Value [Roll Forward] |  |  |  |
Outstanding at December 31, 2021, Weighted Average Grant Date Fair Value (in dollar per share) |  | $ 8.42 |  |
Granted, Weighted Average Grant Date Fair Value (in dollar per share) |  | 8.88 |  |
Vested and Distributed, Weighted Average Grant Date Fair Value (in dollar per share) |  | 8.42 |  |
Forfeited, Weighted Average Grant Date Fair Value (in dollar per share) |  | 8.62 |  |
Other decrease due to performance of PSU's, Weighted Average Grant Date Fair Value (in dollar per share) |  | 8.71 |  |
Outstanding at December 31, 2022, Weighted Average Grant Date Fair Value (in dollar per share) |  | $ 8.42 | $ 8.42 |
RSUs |  |  |  |
Stock Units [Roll Forward] |  |  |  |
Outstanding at December 31, 2021 (in shares) |  | 1,906,891 |  |
Granted (in shares) |  | 695,057 | 362,750 | 724,319
Vested and distributed (in shares) |  | (489,964) |  |
Forfeited (in shares) |  | (95,864) |  |
Outstanding at December 31, 2022(in shares) |  | 2,016,120 | 1,906,891 |
Vested and deferred RSUs related to deferred compensation for non-employee directors (in shares) | [1] | 574,409 |  |
Weighted Average Grant Date Fair Value [Roll Forward] |  |  |  |
Outstanding at December 31, 2021, Weighted Average Grant Date Fair Value (in dollar per share) |  | $ 8.64 |  |
Granted, Weighted Average Grant Date Fair Value (in dollar per share) |  | 8.15 | $ 8.78 | $ 7.92
Vested and Distributed, Weighted Average Grant Date Fair Value (in dollar per share) |  | 8.86 |  |
Forfeited, Weighted Average Grant Date Fair Value (in dollar per share) |  | 8.25 |  |
Outstanding at December 31, 2022, Weighted Average Grant Date Fair Value (in dollar per share) |  | 8.43 | $ 8.64 |
Weighted Average Grant Date Fair Value of Vested and Deferred RSUs (in dollar per share) | [1] | $ 8.84 |  |
PSUs |  |  |  |
Stock Units [Roll Forward] |  |  |  |
Granted (in shares) |  |  | 1,667,012 | 939,529
Vested and distributed (in shares) |  | (350,656) | 0 |
Weighted Average Grant Date Fair Value [Roll Forward] |  |  |  |
Granted, Weighted Average Grant Date Fair Value (in dollar per share) |  | $ 8.88 | $ 8.42 | $ 8.25
[1] | Included in outstanding at December 31, 2022. Vested and deferred RSUs are primarily related to deferred compensation for non-employee directors.

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- Definition Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event. + 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)(2)(iii)(03) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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