Stock-Based Compensation - Liability-Classified Awards Narrative (Details) $ in Thousands	12 Months Ended
Dec. 31, 2021 USD ($)	Dec. 31, 2019 award
Liability-classified awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Estimate of future expense for all types of RSUs outstanding	$ 539
Unrecognized compensation cost, period for recognition (in years)	1 year
Total cash paid for vesting and dividend payments	$ 7,200
Liability-classified awards \| Key Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of award types \| award		3
Market-based RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)		3 years
Performance-based RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)		3 years

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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