Stock Plans - Unrecognized Share-based Compensation Costs (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($)
Unrecognized share-based compensation costs
Unrecognized Share-Based Compensation Costs	$ 24,218
Weighted Average Period Expected to be Recognized	1 year 10 months 24 days
Restricted stock units
Unrecognized share-based compensation costs
Unrecognized Share-Based Compensation Costs	$ 2,064
Weighted Average Period Expected to be Recognized	1 year 10 months 24 days
Restricted Stock Awards
Unrecognized share-based compensation costs
Unrecognized Share-Based Compensation Costs	$ 16,791
Weighted Average Period Expected to be Recognized	1 year 10 months 24 days
Performance Share Units
Unrecognized share-based compensation costs
Unrecognized Share-Based Compensation Costs	$ 5,363
Weighted Average Period Expected to be Recognized	2 years 1 month 6 days