Leases (Tables)

3 Months Ended

Mar. 31, 2020

Leases [Abstract]

Summary of Operating Lease Expense

Operating lease expense is recognized in “General and administrative” expense on the condensed consolidated statements of comprehensive income (loss) as follows (in thousands):

	Three Months Ended March 31,
	2020		2019
Fixed lease expense	$	2,036	$	1,026
Variable lease expense	301		348
Total lease expense	$	2,337	$	1,374

In addition, we recognized sublease income of $0.3 million for both the three months ended March 31, 2020 and 2019.

Supplemental Balance Sheet Information Related to Leases

	March 31, 2020		December 31, 2019
Lease liabilities—current	2,187		3,223
Lease liabilities—long-term	31,509		5,865
Total operating lease liabilities	$	33,696	$	9,088

Maturities of Operating Lease Liabilities

The maturities of the Company's operating lease liabilities as of March 31, 2020 were as follows (in thousands):

(in thousands)
Undiscounted cash flows:
Remainder of 2020 (1)	$	(2,344)
2021	2,270
2022	4,706
2023	4,808
2024	4,911
Thereafter	$	35,337
Total undiscounted cash flows	$	49,688
Imputed interest	(15,992)
Present value of cash flows	$	33,696

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(1)Undiscounted cash flows for the remainder of 2020 used to calculate the lease liability are reduced by the tenant improvement allowance related to the new corporate headquarters lease. See below for more information.