Environmental Obligations - Additional Information (Detail) - USD ($)	1 Months Ended		12 Months Ended
	Sep. 30, 2022	Jul. 31, 2012	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
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
Environmental remediation obligations			$ 23,155,000	$ 47,597,000
Accretion expense			1,259,000	1,705,000	$ 1,841,000
Amount of credits to environmental expenses			23,837,000	1,768,000	3,136,000
Changes in environmental estimates			1,983,000	147,000	154,000
Increase in carrying value of property			$ 3,269,000	3,004,000
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			$ 3,672,000	4,004,000	4,020,000
Capitalized asset retirement costs			33,213,000	39,670,000
Impairments			3,545,000	4,404,000	$ 4,258,000
Pollution legal liability insurance policy duration	5 years
Pollution legal liability insurance policy aggregate limit		$ 50,000,000	$ 25,000,000
Lookback Period			5 years
Unknown reserve liabilities removed			$ 23,543,000
Unknown reserve liabilities			11,133,000
Capitalized Asset Retirement Costs [Member]
Other Commitments [Line Items]
Impairments			2,480,000	3,074,000
Properties Leased to Marketing [Member]
Other Commitments [Line Items]
Amount of credits to environmental expenses			22,193,000
Reasonably Estimable Environmental Remediation Obligation [Member]
Other Commitments [Line Items]
Environmental remediation obligations			10,797,000	11,382,000
Future Environmental Liabilities for Preexisting Unknown Contamination [Member]
Other Commitments [Line Items]
Environmental remediation obligations			12,358,000	36,215,000
Capitalized asset retirement costs			8,471,000	15,595,000
Known Environmental Liabilities [Member]
Other Commitments [Line Items]
Capitalized asset retirement costs			$ 24,742,000	$ 24,075,000
Maximum [Member]
Other Commitments [Line Items]
Environmental remediation liabilities discount rate			7.00%
Environmental remediation liability inflation rate adjustment			2.75%
Minimum [Member]
Other Commitments [Line Items]
Environmental remediation liabilities discount rate			4.00%
Environmental remediation liability inflation rate adjustment			2.00%