Stockholders' Equity (Deficit)

3 Months Ended

Mar. 31, 2021

Stockholders' Equity Note [Abstract]

Stockholders' Equity (Deficit)

Stockholders' Equity (Deficit)In January 2021, the Company entered into an At Market Issuance Sales Agreement ("January 2021 Sales Agreement"), which allows it to issue and sell up to $500 million in gross proceeds of its common stock. During the first quarter of 2021, the Company sold 1.7 million shares of common stock under the January 2021 Sales Agreement resulting in $452.0 million in net proceeds, leaving $42.2 million remaining.

In November 2020, the Company entered into an At Market Issuance Sales Agreement ("November 2020 Sales Agreement"), which allowed it to issue and sell up to $500 million in gross proceeds of its common stock. From January 1, 2021 through January 20, 2021, the Company sold 0.9 million shares of common stock resulting in $113.0 million in net proceeds, leaving $27.2 million remaining under the agreement. The Company terminated the November 2020 Sales Agreement by mutual agreement upon entering into the January 2021 Sales Agreement.

During the first quarter of 2020, the Company sold 21.5 million shares of common stock resulting in $185.9 million in net proceeds under its various At Market Issuance Sales Agreement.