Description of Business and Summary of Significant Accounting Policies - Schedule of Cash and Cash Equivalents (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020	Jun. 30, 2020	Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Cash and cash equivalents	$ 15,785	$ 2,406	$ 1,589
Restricted cash, included in Prepaid expenses and other current assets	2,641	0	0
Cash and cash equivalents	$ 18,426	$ 2,406	$ 1,589	$ 1,912