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Commitments and Contingencies - Schedule of Gross Future Minimum Annual Rental Commitments (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Leases [Abstract]
2020 (remaining 3 months)	$ 1,043
2021	4,273
2022	3,579
2023	2,063
2024	2,123
2025	387
Thereafter	397
Total undiscounted rent payments	13,865
Present value discount	(1,670)
Present value	12,195
Current portion of operating lease liability (included as a component of accrued expenses)	3,548	$ 2,354
Noncurrent operating lease liabilities	8,647	$ 8,737
Total operating lease liability	$ 12,195

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