Share-Based Compensation and Capital Stock - Narrative (Details) $ in Millions	3 Months Ended
Mar. 31, 2022 USD ($) awardType shares	Mar. 31, 2021 USD ($) shares
Share-Based Compensation and Capital Stock [Line Items]
Stock repurchased during period (in shares) \| shares	68,486	0
Cost of shares repurchased \| $	$ 9.9
Stock redeemed during period (in shares) \| shares	32,426	46,499
Stock redeemed during period \| $	$ 4.9	$ 5.1
Restricted stock awards
Share-Based Compensation and Capital Stock [Line Items]
Types of awards granted \| awardType	2
Restricted stock awards \| Minimum
Share-Based Compensation and Capital Stock [Line Items]
Performance period, duration	9 months
Restricted stock awards \| Maximum
Share-Based Compensation and Capital Stock [Line Items]
Performance period, duration	60 months
Performance vested restricted stock units
Share-Based Compensation and Capital Stock [Line Items]
Types of awards granted \| awardType	3
Performance vested restricted stock units \| Minimum
Share-Based Compensation and Capital Stock [Line Items]
Performance period, duration	9 months
Performance period, percent	0.00%
Performance vested restricted stock units \| Maximum
Share-Based Compensation and Capital Stock [Line Items]
Performance period, duration	60 months
Performance period, percent	300.00%

Share Based Compensation By Share Based Payment Award, Number Of Types of Awards Granted

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Share-based Compensation Arrangement by Share-based Payment Award, Performance Period

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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.

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Percentage of vesting of award under share-based payment arrangement.

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Number of stock bought back by the entity at the exercise price or redemption price.

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Equity impact of the value of stock bought back by the entity at the exercise price or redemption price.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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