XML 60 R46.htm IDEA: XBRL DOCUMENT v3.22.0.1
Financial Instruments - Schedule of Maintenance Fee Payment to CCKF (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Related Party Transactions [Abstract]      
Maintenance Fee Payments $ 1,726 $ 1,596 $ 1,418