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Capitalization - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended	3 Months Ended	6 Months Ended
	May 29, 2020	Aug. 31, 2019	Jun. 30, 2020	Jun. 30, 2020	Apr. 29, 2020
Warrants
Consideration received on transaction			$ 5,400	$ 19,000
Number of shares issued in transaction (in shares)			106,309	368,514
Payments for asset acquisitions, share, value			$ 42,869	$ 42,869
Rights Exchange Agreement [Member]
Warrants
Shares to issue under Rights Exchange Agreement					2,821,176
Payments for asset acquisitions, share, value				$ 150,500
Censa [Member]
Warrants
Payments for asset acquisitions, shares (in shares)	845,364
Payments for asset acquisitions, share, value	$ 42,900
Maximum
Warrants
Consideration received on transaction		$ 125,000
Weighted Average [Member]
Warrants
Sale of stock, weighted average price per share (in USD per share)			$ 53.08	$ 52.89

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