Stock-Based Compensation and Other Employee Benefit Plans - ESPP (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Stock-Based Compensation and Other Employee Benefit Plans [Line Items]
Common shares issued (in shares)	31,888	20,191	56,625	39,033
Employee Stock Purchase Plans
Stock-Based Compensation and Other Employee Benefit Plans [Line Items]
ESPP purchase price, percent			85.00%
Cash proceeds	$ 1.8	$ 1.8	$ 3.6	$ 3.2
Compensation expense	$ 0.3	$ 0.2	$ 0.7	$ 0.5

Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit. Other employee benefit expense includes, but is not limited to, service component of net periodic benefit cost for defined benefit plan. Excludes compensation cost in cost of good and service sold.

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