Leases - Components of Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Finance lease cost
Amortization of ROU assets	$ 312	$ 62	$ 390	$ 123
Interest on lease liabilities	88	38	134	75
Operating lease cost	1,494	1,302	2,990	2,581
Short-term lease cost	108	82	213	168
Variable lease cost	337	234	644	495
Sublease income	(12)	(10)	(24)	(21)
Total lease expense	$ 2,327	$ 1,708	$ 4,347	$ 3,421

Amount of interest expense on finance lease liability.

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Amount of amortization expense attributable to right-of-use asset from finance lease.

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Amount of lease cost recognized by lessee for lease contract.

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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 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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