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Public Offering of Common Stock	12 Months Ended
	Dec. 31, 2020
Equity [Abstract]
Public Offering of Common Stock	Public Offering of Common StockIn March 2018, the Company completed a public offering of 6,325,000 shares of its common stock, including the exercise of the underwriters’ option to purchase an additional 825,000 shares of common stock, at a price to the public of $17.00 per share. Net cash proceeds from the public offering were $100.9 million, after deducting the underwriting discounts and commissions and offering expenses.

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Public Offering Of Common Stock [Text Block]

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