Restricted Stock Units - Narrative (Details) - Restricted Stock Units (RSUs) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2023 |
Jun. 30, 2022 |
Jun. 30, 2023 |
Jun. 30, 2022 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Granted (in shares) | 34,431 | |||
| Vested (in shares) | 83,799 | |||
| Share-based compensation expense | $ 0.4 | $ 3.9 | $ 0.9 | $ 7.9 |
| Unrecognized share-based compensation expense | $ 0.9 | 0.9 | ||
| Vested, fair value of vested shares | $ 0.8 | |||
| Director | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Granted (in shares) | 34,431 | |||
| Granted, fair value | $ 0.1 | |||
| Expiration period | 5 years | |||
| Shares, issued (in shares) | 303,076 | 303,076 | ||
| Termination of certain employees | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Vested (in shares) | 27,576 | |||
| Vesting, fair value | $ 0.1 | |||
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Intrinsic value of vested award under share-based payment arrangement. Excludes share and unit options. No definition available.
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- Definition Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Aggregate value of stock related to Restricted Stock Awards issued during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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