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Stock-Based Compensation - Restricted Stock, Restricted Stock Units, and Performance Units Measurement Inputs (Details) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Performance-based restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology
Remaining performance period as of grant date (in years)	2 years 9 months 18 days	2 years 10 months 24 days	2 years 10 months 24 days
Risk-free interest rate (as a percent)	0.30%	1.40%	2.60%
Grant-date fair value (in dollars per share)	$ 14.30	$ 11.33	$ 12.91
Restricted Stock, Restricted Stock Units, Performance Units, Cash Settled Restricted Stock Units and Cash Settled Performance Units
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology
Grant-date fair value (in dollars per share)	$ 11.20	$ 9.37	$ 10.01

X

- Definition

The performance period assumption that is used in valuing an award.

+ References

No definition available.

+ Details

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued 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).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- References

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- Definition

The risk-free interest rate assumption that is used in valuing an option on its own shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)(iv)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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