XML 65 R54.htm IDEA: XBRL DOCUMENT v3.21.2
Leases - Components of Lease Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Leases [Abstract]        
Operating lease expense $ 184 $ 191 $ 520 $ 570
Variable lease expense 95 51 251 169
Total $ 279 $ 242 $ 771 $ 739