Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

Schedule of Maturities of Operating Lease Liabilities

As of December 31, 2019, maturities of operating lease liabilities were as follows (in thousands):

Year Ended December 31:
2020	$	9,253
2021	11,550
2022	11,330
2023	11,667
2024	12,015
Thereafter	87,793
	143,608
Less: imputed interest	(49,946)
Total lease liabilities	$	93,662

Schedule of Minimum Future Lease Payments under Previous Lease Accounting Standard

Minimum future lease payments as of December 31, 2018 and under the previous lease accounting standard, which includes annual rental payments for the San Francisco Lease which commenced May 13, 2019, for the year ended December 31, 2018 are as follows (in thousands):

Year Ended December 31:
2019	$	8,135
2020	10,669
2021	10,828
2022	11,150
2023	11,483
Thereafter	98,209
Total	$	150,474