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Leases - Other Information Related to Operating Leases (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Income statement information:
Operating lease cost	$ 3,877
Short-term lease cost	1,202
Variable lease cost	2,565
Total lease cost	7,644
Other information:
Cash paid for operating leases for the year ended December 31, 2019	$ 3,627
Weighted-average remaining lease term (in months) as of December 31, 2019	132 months
Weighted-average discount rate as of December 31, 2019	7.40%

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Other information related to operating lease.

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Variable lease income (expense).

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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 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 discount rate for operating lease calculated at point in time.

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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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