Basis of Presentation and Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2021

Accounting Policies [Abstract]

Accounting Standards Update and Change in Accounting Principle

The following table summarizes the cumulative effect of the changes to our condensed consolidated balance sheet as of January 1, 2021 as compared to December 31, 2020 from the adoption of ASU 2020-06:

Consolidated Balance sheet Data (in thousands)	Balance at December 31, 2020		Adjustment due to ASU 2020-06 adoption		Balance at January 1, 2021
Liabilities
Convertible notes payable (1)	$	213,645	$	86,433	$	300,078
Equity
Additional paid-in-capital	$	1,222,137	$	(134,450)	$	1,087,687
Accumulated deficit	$	(1,345,822)	$	48,017	$	(1,297,805)

                                                                                                                                                                                             

(1)                           Convertible notes payable is presented net of unamortized discount and debt issuance costs of $88.1 million and $3.2 million, respectively at December 31, 2020. Convertible notes payable is presented net of unamortized discount and debt issuance costs of $4.7 million and $0.3 million at January 1, 2021.