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Leases - Summary of Components of Total Lease Expense and Operating Cash Flows (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Lease expense:        
Operating lease expense $ 320 $ 321 $ 961 $ 962
Variable lease expense 52 37 137 108
Total lease expense 372 358 1,098 1,070
Cash paid:        
Cash paid reducing operating lease liabilities $ 371 $ 356 $ 1,090 $ 1,061