XML 77 R59.htm IDEA: XBRL DOCUMENT v3.22.0.1
Property and Equipment - Schedule of Changes in Asset Retirement Obligations (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Asset Retirement Obligation Disclosure [Abstract]    
Beginning balance $ 4,884 $ 3,533
Additions 72 750
Accretion 267 236
Updates to estimated cash flows (323) 365
Ending balance $ 4,900 $ 4,884