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Financial Instruments - Schedule of Maintenance Fee Payment to CCKF (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Related Party Transactions [Abstract]        
Maintenance Fee Payments $ 374 $ 442 $ 1,201 $ 1,301