Summary of Significant Accounting Policies - Liquidity (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Accounting Policies [Abstract]
Cash and short-term investments	$ 123,909	$ 116,689
Accumulated deficit	$ (780,137)	$ (712,930)

The cumulative amount of the reporting entity's undistributed earnings or deficit.

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