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Asset Retirement Obligations - Asset Retirement Obligation (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]    
Asset retirement obligations, beginning balance $ 20,833  
Accretion expense 388  
Accelerated Costs 293 $ 0
Asset retirement obligations, ending balance $ 21,514