Sale of Equity Securities

6 Months Ended

Jun. 30, 2019

Equity [Abstract]

Sale of Equity Securities

7. Sale of Equity Securities

On February 13, 2018, the Company completed the sale of 4,032,012 shares of its common stock in an underwritten public offering at a price to the public of $164.00 per share, resulting in net proceeds of $631.2 million after deducting commissions and underwriting discounts and offering costs paid by the Company.

On February 27, 2019, the Company completed the sale of 3,833,334 shares of its common stock in an underwritten public offering at a price to the public of $150.00 per share, resulting in net proceeds of $560.9 million after deducting commissions and underwriting discounts and offering costs paid by the Company.