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Equity Incentive Plans and Stock-Based Compensation - Stock Repurchase Plan - USD ($) shares in Millions, $ in Millions		12 Months Ended
	May 17, 2020	Dec. 31, 2020	Sep. 17, 2020
Share-based Payment Arrangement [Abstract]
Stock Repurchase Program, Authorized Amount			$ 50.0
Treasury Stock, Value, Acquired, Cost Method	$ 13.3	$ 19.2
Stock Repurchase Program, Remaining Authorized Repurchase Amount		$ 30.8
Treasury Stock, Shares, Acquired	2.2	2.7

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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