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Leases - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Restricted cash related to lease obligations	$ 5.0	$ 5.2
Operating lease costs	6.3	5.6
Variable lease costs	1.7	2.0
Short-term lease, cost	$ 0.2	0.2
Rent expense			$ 3.6
Sublease income		$ 0.7	$ 0.9
Weighted average remaining operating lease term	4 years 3 months 18 days	5 years 1 month 6 days
Weighted average discount rate	7.30%	6.60%
Cash paid	$ 4.5	$ 3.6

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- Definition

Restricted Cash, Operating Leases

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- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

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- Definition

Discount rate used by lessee to determine present value of operating lease payments.

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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Amount of sublease income excluding finance and operating lease expense.

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Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

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