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BeiGene Exclusive Option and License Agreement - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Jan. 03, 2020
BeiGene Exclusive Option and License Agreement
Up-front fee	$ 3,000
Contract acquisition costs	270
Amortization expense	135	$ 135
Exclusive Option and License Agreement
BeiGene Exclusive Option and License Agreement
Future option exercise and milestone payments, maximum			$ 132,000
License
BeiGene Exclusive Option and License Agreement
Revenue recognized	1,500	1,500
Royalty
BeiGene Exclusive Option and License Agreement
Revenue recognized	0	$ 0
Exclusive Option and License Agreement
BeiGene Exclusive Option and License Agreement
Upfront cash payment	$ 3,000		$ 3,000

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