Summary of Significant Accounting Policies - Cash, Cash Equivalents and Restricted Cash (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2020
Summary of Significant Accounting Policies
Cash and cash equivalents	$ 29,826	$ 86,508	$ 139,520
Restricted cash	284		121
Total	$ 30,110	$ 86,629	$ 139,641	$ 25,051
Restricted cash, Balance Sheet location	Other assets, Prepaid expenses and other current assets		Other assets