Leases (Tables)

12 Months Ended

Dec. 31, 2019

Leases [Abstract]

Schedule of Impact to the Consolidated Balance Sheets

The impact to the consolidated balance sheets for the opening balances is as follows:

	December 31, 2018		Impact of adoption of ASC 842			January 1, 2019
Operating lease assets	$	—	$	13,737		$	13,737
Accrued expenses and other current liabilities	$	15,207	$	(1,768	)	$	13,439
Operating lease liabilities	$	—	$	4,285		$	4,285
Lease incentive obligation, net of current    portion	$	6,776	$	(6,776	)	$	—
Deferred rent	$	2,216	$	(2,216	)	$	—
Operating lease liabilities, net of current    portion	$	—	$	20,212		$	20,212

Summary of Future Undiscounted Cash Inflows Under the Sublease

As of December 31, 2019, future undiscounted cash inflows under the sublease are as follows:

Year Ending December 31,
2020	$	1,248
2021		633
Total	$	1,881

Summary of Operating Lease Assets and Liabilities

The following table summarizes the presentation in the Company’s consolidated balance sheets of its operating leases:

	As of December 31, 2019
Assets:
Operating lease assets	$	11,356
Liabilities:
Operating lease liabilities	$	4,456
Operating lease liabilities, net of current portion		15,676
Total operating lease liabilities	$	20,132

Summary of Lease Costs

The following table summarizes the effect of lease costs in the Company’s consolidated statement of operations and comprehensive loss:

	For the Year Ended
	December 31, 2019
Operating lease costs	$	4,532
Short-term lease costs		1,878
Variable lease costs		3,022
Sublease income		(890	)
Total lease costs	$	8,542

Schedule of Future Payments of Operating Lease Liabilities

As of December 31, 2019, future payments of operating lease liabilities are as follows (in thousands):

	As of December 31, 2019
2020		6,302
2021		6,461
2022		6,390
2023		5,157
2024 and thereafter		—
Total future payments of operating lease liabilities	$	24,310
Less: imputed interest		(4,178	)
Present value of operating lease liabilities	$	20,132

Summary of Future Minimum Lease Payments Under Operating Leases

The future minimum lease payments under the Company’s operating leases as of December 31, 2018, were as follows (in thousands):

	As of December 31, 2018
2019	$	6,342
2020		6,120
2021		6,221
2022		6,372
2023		5,158
2024 and thereafter		—
Total future minimum lease payments	$	30,213