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Share-based Compensation - Share-based Plans Narratives (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award
Shares outstanding (shares)	280,000	360,000
Share-based compensation expense	$ 11.2	$ 8.6	$ 8.8
Tax benefit related to share-based compensation	2.2	$ 1.6	$ 2.7
Share based compensation not yet recognized	$ 9.9
Recognition period for unrecognized share based compensation	1 year 10 months 24 days
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award
Share based compensation not yet recognized	$ 2.6
Recognition period for unrecognized share based compensation	2 years 4 months 24 days
Restricted stock and RSU's
Share-based Compensation Arrangement by Share-based Payment Award
Shares other than options outstanding unvested (shares)	110,000	190,000
Share based compensation not yet recognized	$ 4.3
Recognition period for unrecognized share based compensation	1 year 8 months 12 days
Performance units
Share-based Compensation Arrangement by Share-based Payment Award
Shares other than options outstanding unvested (shares)	90,000.00	70,000.00
Share based compensation not yet recognized	$ 3.0
Recognition period for unrecognized share based compensation	1 year 8 months 12 days
2017 Omnibus Equity Plan
Share-based Compensation Arrangement by Share-based Payment Award
Number of shares authorized (shares)	1,700,000
2017 Omnibus Equity Plan \| Stock Options
Share-based Compensation Arrangement by Share-based Payment Award
Shares outstanding (shares)	240,000
2017 Omnibus Equity Plan \| Restricted stock and RSU's
Share-based Compensation Arrangement by Share-based Payment Award
Shares other than options outstanding unvested (shares)	110,000
2017 Omnibus Equity Plan \| Performance units
Share-based Compensation Arrangement by Share-based Payment Award
Shares other than options outstanding unvested (shares)	90,000.00
2009 Omnibus Equity Plan
Share-based Compensation Arrangement by Share-based Payment Award
Number of shares authorized (shares)	3,350,000
2009 Omnibus Equity Plan \| Stock Options
Share-based Compensation Arrangement by Share-based Payment Award
Shares outstanding (shares)	50,000.00