XML 67 R57.htm IDEA: XBRL DOCUMENT v3.21.1
Income Taxes - Unrecognized Tax Benefits (Details)
$ in Thousands
Mar. 31, 2021
USD ($)
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]  
Balance, December 31, 2020 $ 600
Balance, March 31, 2021 $ 600