v3.26.3
Environmental Obligations - Additional Information (Detail) - USD ($)
$ in Thousands
 1 Months Ended 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
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    
Unknown reserve liabilities removed from inception       $ 36,000    
Unknown reserve liabilities previously removed       7,700    
Amount of credits to environmental expenses       7,800 $ 4,400  
Environmental remediation obligations   $ 8,226   8,226   $ 15,928
Accretion expense       223 238  
Changes in environmental estimates       100 100  
Increase in carrying value of property       $ 1,700 2,000  
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       $ 1,000 1,400  
Capitalized asset retirement costs   22,500   22,500   29,300
Impairments   $ 373 $ 647 4,350 2,271  
Pollution legal liability insurance policy duration 5 years          
Pollution legal liability insurance policy aggregate limit $ 25,000          
Capitalized Asset Retirement Costs [Member]            
Other Commitments [Line Items]            
Impairments       $ 1,300 $ 1,600  
Reasonably Estimable Environmental Remediation Obligation [Member]            
Other Commitments [Line Items]            
Environmental remediation obligation known reserve liabilities           8,200
Future Environmental Liabilities for Preexisting Unknown Contamination [Member]            
Other Commitments [Line Items]            
Environmental remediation obligation unknown reserve liabilities           7,700
Capitalized asset retirement costs           5,400
Known Environmental Liabilities [Member]            
Other Commitments [Line Items]            
Capitalized asset retirement costs           $ 23,900