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Equity Method Investments (Details) $ in Thousands				12 Months Ended
	Dec. 05, 2023 USD ($)	Jun. 01, 2023 item	Mar. 01, 2023 USD ($) item	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Jan. 23, 2025	Oct. 23, 2023 USD ($)
Equity Method Investment
Income (loss) from equity method investments				$ 4,509	$ (1,514)	$ 2,503
Partnership's investment balance				113,755	92,709
Payment to acquire investment				$ 29,517	19,125	95,301
Number of fuel sites owned or leased | item		64
Maximum | Office space leases
Equity Method Investment
Lease term				12 years
BIG GRP 275 Grove JV LLC
Equity Method Investment
Income (loss) from equity method investments				$ 2,200
Partnership's investment balance				12,000
BIG GRP 275 Grove JV LLC | Office space leases
Equity Method Investment
Lease term							12 years
Everett Landco GP, LLC
Equity Method Investment
Ownership interest								30.00%
Income (loss) from equity method investments				0	200	0
Partnership's investment balance				24,000	17,200
Maximum amount of financial assurances liability	$ 75,000			28,800
Demolition and remediation expenses				46,200
Percentage of amounts paid under the Remediation Guaranty	70.00%
Amounts paid under the Remediation Guaranty	$ 52,500
Everett Landco GP, LLC | Maximum
Equity Method Investment
Partnership agreed to invest								$ 30,000
Spring Partners Retail LLC
Equity Method Investment
Ownership interest			49.99%
Income (loss) from equity method investments				2,300	(1,700)	$ 2,500
Partnership's investment balance				$ 77,800	$ 75,500
Payment to acquire investment			$ 69,500
Ownership percentage by co-venturer			50.01%
Number of directors | item			2
Number of directors designated by partnership | item			1

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