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Employee Benefit Plans (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Retirement Benefits [Abstract]
Employer contributions to defined benefit pension	$ 0.5	$ 0.3	$ 1.2	$ 0.6
Employer contribution percent			4.00%
Employer contributions	$ 0.1	$ 0.1	$ 0.3	$ 0.1

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Amount of contribution received by defined benefit plan from employer which increases plan assets.

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Amount of cost for defined contribution plan.

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Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

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