Consolidated Entities - Pulmoquine Therapeutics, Inc. (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Apr. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Consolidated Entities
Total assets		$ 789,150		$ 789,150		$ 999,570	[1]
Operating Expenses		4,266	$ 3,155	10,301	$ 5,718
Pulmoquine Therapeutics, Inc.
Consolidated Entities
Total assets		3,200		3,200		$ 3,500
Operating Expenses			$ 600	$ 200	$ 600
Pulmoquine Therapeutics, Inc. | Series A preferred stock
Consolidated Entities
Number of shares purchased under the securities purchase agreement	5,808,550
Payments to acquire equity securities	$ 5,000

[1] Consolidated balance sheet as of December 31, 2020 has been derived from audited consolidated financial statements.