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Capitalization - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended	3 Months Ended	9 Months Ended
	May 29, 2020	Aug. 31, 2019	Sep. 30, 2020	Sep. 30, 2020	Apr. 29, 2020
Warrants
Consideration received on transaction			$ 9,100	$ 28,100
Number of shares issued in transaction (in shares)			173,956	542,470
Payments for asset acquisitions, share, value				$ 42,869
Rights Exchange Agreement
Warrants
Shares to issue under Rights Exchange Agreement			2,821,176	2,821,176	2,821,176
Payments for asset acquisitions, share, value				$ 150,500
Censa
Warrants
Payments for asset acquisitions, shares (in shares)	845,364			845,364
Payments for asset acquisitions, share, value	$ 42,900			$ 42,900
Maximum
Warrants
Consideration received on transaction		$ 125,000
Value of remaining shares available to be issued and sold in transaction			$ 93,000	$ 93,000
Weighted Average
Warrants
Sale of stock, weighted average price per share (in USD per share)			$ 54.39	$ 53.37

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