XML 73 R59.htm IDEA: XBRL DOCUMENT v3.23.1
Summary of the Changes in Allowance for Doubtful Accounts (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Receivables [Abstract]      
Balance at beginning of year $ 2 $ 1 $ 3
Additions: Bad debt expense 2 7 5
Less: Write-off (3) (6) (7)
Balance at end of year $ 1 $ 2 $ 1