Condensed Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Reconciliation to amounts on condensed consolidated balance sheets:
Cash and cash equivalents	$ 260,512	$ 57,228
Restricted cash	1,255	1,246
Total cash, cash equivalents and restricted cash	261,767	58,474
Cash paid for:
Interest	$ 1,555	1,051
NONCASH TRANSACTIONS
Accrued offering costs		60
Deferred financing costs		988
Warrants issued with debt financing		993
Shares issued in connection with in-licensing		$ 100