Income Taxes - Schedule of unrecognized tax benefits (Details) $ in Thousands	12 Months Ended
Dec. 31, 2019 USD ($)
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at December 31, 2018	$ 2,239
Decreases related to prior year tax positions	(285)
Increases related to prior year tax positions	92
Decreases related to current year tax positions	0
Increases related to current year tax positions	517
Balance at December 31, 2019	$ 2,563

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Amount of unrecognized tax benefits.

+ References

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Amount of decrease in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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