Leases (Details) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2021 USD ($) item	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($) item	Jun. 30, 2020 USD ($)
Leases
Number of options to extend lease term \| item	2		2
Expected lease term	5 years		5 years
Lease cost
Operating lease cost	$ 1,984	$ 1,551	$ 3,567	$ 3,024
Amortization	288	345	611	703
Interest	40	70	89	159
Variable lease cost	992	565	1,804	1,102
Sublease income	(423)	(309)	(841)	(602)
Net lease cost	$ 2,881	$ 2,222	5,230	4,386
Cash payments for operating leases			3,817	4,284
Cash payments for financing leases			$ 665	$ 689

Number of options to extend lease term.

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- Definition

Amount of interest expense on finance lease liability.

+ References

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+ Details

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- Definition

Amount of interest paid on finance lease liability.

+ References

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- Definition

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

+ References

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- Definition

Amount of lease cost recognized by lessee for lease contract.

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- References

No definition available.

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- References

No definition available.

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- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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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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- Definition

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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- Definition

Amount of sublease income excluding finance and operating lease expense.

+ References

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- Definition

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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