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Environmental Obligations - Additional Information (Detail) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Sep. 30, 2022
Jul. 31, 2012
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Other Commitments [Line Items]              
Remediation agreement of lease         we agreed to be responsible for environmental contamination that was known at the time the lease commenced, and for unknown environmental contamination which existed prior to commencement of the lease and which is discovered (other than as a result of a voluntary site investigation) during the first 10 years of the lease term (or a shorter period for a minority of such leases) (a “Lookback Period”)    
The maximum number of years during lease term during which contamination is discovered that the Company may be responsible for         10 years    
Lookback Period         5 years    
Unknown reserve liabilities removed         $ 24,200    
Amount of credits to environmental expenses         800 $ 100  
Unknown reserve liabilities         11,000    
Environmental remediation obligations     $ 20,958   20,958   $ 22,369
Accretion expense         208 278  
Changes in environmental estimates         44 26  
Increase in carrying value of property         $ 1,100 1,700  
Estimated maximum remaining useful life of underground storage tanks used to calculate depreciation of capitalized asset retirement costs         10 years    
Depreciation and amortization expense for capitalized asset retirement costs         $ 1,300 1,500  
Capitalized asset retirement costs     34,100   34,100   34,300
Impairments     512 $ 2,462 1,792 2,984  
Pollution legal liability insurance policy duration 5 years 10 years          
Pollution legal liability insurance policy aggregate limit   $ 50,000     25,000    
Capitalized Asset Retirement Costs [Member]              
Other Commitments [Line Items]              
Impairments         900 $ 1,300  
Reasonably Estimable Environmental Remediation Obligation [Member]              
Other Commitments [Line Items]              
Environmental remediation obligation known reserve liabilities     9,200   9,200   9,900
Future Environmental Liabilities for Preexisting Unknown Contamination [Member]              
Other Commitments [Line Items]              
Environmental remediation obligation unknown reserve liabilities     11,800   11,800   12,500
Capitalized asset retirement costs     8,100   8,100   8,500
Known Environmental Liabilities [Member]              
Other Commitments [Line Items]              
Capitalized asset retirement costs     $ 26,000   $ 26,000   $ 25,800