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Equity Offerings | 6 Months Ended
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Jun. 30, 2019
Equity [Abstract] |
Equity Offerings | Equity Offerings On November 3, 2017, the Company entered into a Distribution Agreement (the “Distribution Agreement”) with J.P. Morgan Securities LLC, Wells Fargo Securities, LLC, and HSBC Securities (USA) Inc., as its sales agents, pursuant to which the Company may offer and sell from time to time through the sales agents up to $125.0 million maximum aggregate offering price of the Company’s common stock. Sales of the common stock pursuant to the Distribution Agreement may be made in negotiated transactions or transactions that are deemed to be “at the market” offerings as defined in Rule 415 under the Securities Act of 1933, including sales made directly on the Nasdaq Stock Market, or sales made to or through a market maker other than on an exchange. For the three months ended June 30, 2019, the Company received gross proceeds of $17.9 million from sales of its common stock under the Distribution Agreement and incurred issuance costs of $0.3 million on sales of approximately 217,000 shares of its common stock at an average price of approximately $82.51 per share. For the six months ended June 30, 2019, the Company received gross proceeds of $38.5 million from sales of its common stock under the Distribution Agreement and incurred issuance costs of $0.7 million on sales of approximately 460,000 shares of its common stock at an average price of approximately $83.81 per share. For the three and six months ended June 30, 2018, the Company did not sell any of its common stock under the Distribution Agreement. As of June 30, 2019, the Company had an aggregate of $31.5 million available to be offered under the Distribution Agreement.

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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