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Stockholders' Equity - Schedule of Public Offering of Common Stock (Details) - Underwritten Public Offering - Common Stock - USD ($) $ in Thousands	1 Months Ended
	May 31, 2019	Mar. 31, 2019	Jan. 31, 2019
Class of Stock [Line Items]
Shares Issued	20,700,000	17,250,000	14,490,000
Net Proceeds	$ 123,102	$ 101,160	$ 83,772

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