Debt - Additional Information (Details) | Oct. 31, 2021 | Jul. 29, 2021USD ($) | Jul. 28, 2021 | Apr. 01, 2019USD ($) | Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2021USD ($) | Sep. 30, 2021 | Dec. 31, 2021USD ($)Site | Dec. 31, 2020USD ($) | Dec. 31, 2019USD ($) | Feb. 28, 2022USD ($) |
JKM Credit Facility [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Minimum fixed charge coverage ratio | | | | | | | | | | | 1.10% | | | | | |
JKM Credit Facility [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Debt instrument, maturity date | | Jul. 16, 2026 | | | | | | | | | | | | | | |
Letters of credit outstanding, amount | | | | | | | | | | | $ 800,000 | | $ 800,000 | | | |
Maximum [Member] | JKM Credit Facility [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Line of credit facility financial covenants combined leverage ratio | | | | | | | | | | | 6.25% | | | | | |
Maximum [Member] | JKM Credit Facility [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Commitment fee based on unused portion of the credit facility | 0.375% | | | | | | | | | | | | | | | |
Maximum [Member] | LIBOR [Member] | JKM Credit Facility [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Consolidated leverage ratio | | 250.00% | | | | | | | | | | | | | | |
Maximum [Member] | Base Rate [Member] | JKM Credit Facility [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Consolidated leverage ratio | | 150.00% | | | | | | | | | | | | | | |
Minimum [Member] | JKM Credit Facility [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Commitment fee based on unused portion of the credit facility | 0.25% | | | | | | | | | | | | | | | |
Minimum [Member] | LIBOR [Member] | JKM Credit Facility [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Consolidated leverage ratio | | 150.00% | | | | | | | | | | | | | | |
Minimum [Member] | Base Rate [Member] | JKM Credit Facility [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Consolidated leverage ratio | | 50.00% | | | | | | | | | | | | | | |
Scenario Forecast [Member] | Maximum [Member] | JKM Credit Facility [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Line of credit facility financial covenants combined leverage ratio | | | | | 5.25% | 5.50% | 5.75% | | | 6.00% | | | | | | |
Standby Letters of Credit [Member] | JKM Credit Facility [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Commitment fee percentage | | 0.125% | | | | | | | | | | | | | | |
Letters of credit fronting fee percentage | | 0.125% | | | | | | | | | | | | | | |
Notes Payable to Banks [Member] | JKM Credit Facility [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Line of credit facility, interest rate at period end | | | | | | | | | | | 2.60% | | 2.60% | | | |
Notes Payable to Banks [Member] | Base Rate [Member] | JKM Credit Facility [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Debt instrument, basis spread on variable rate | | | | | | | | | | | | | 2.50% | | | |
Finance Lease Obligations [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Weighted average discount rate, percent | | | | | | | | | | | 3.50% | | 3.50% | | | |
Interest on finance lease obligation | | | | | | | | | | | | | $ 600,000 | $ 700,000 | $ 800,000 | |
Finance Lease Obligations [Member] | Getty Realty Corporation [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Lessee leasing arrangements, operating leases, term of contract | | | | | | | | | | | 15 years | | 15 years | | | |
Lease extended period of lease | | | | | | | | | | | | | 20 years | | | |
Number of gas stations leased | Site | | | | | | | | | | | | | 109 | | | |
Finance lease, weighted average remaining lease term | | | | | | | | | | | 5 years 3 months 18 days | | 5 years 3 months 18 days | | | |
Percentage increase annual fixed rent payments | | | | | | | | | | | | | 1.50% | | | |
Finance Lease Obligations [Member] | Minimum [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Percentage increase of fair value at lease inception exceeds total fair value real property | | | | | | | | | | | | | 25.00% | | | |
CAPL Credit Facility [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Line of credit facility, maximum borrowing capacity | | | | $ 750,000,000 | | | | | | | $ 112,700,000 | | $ 112,700,000 | | | |
Debt instrument, maturity date | | | | Apr. 30, 2024 | | | | | | | | | | | | |
Ability to increase line of credit facility, maximum borrowing capacity | | | | $ 300,000,000 | | | | | | | | | | | | |
Line of credit facility financial covenants combined interest charge coverage ratio | | | | | | | | | | | | | 2.50% | | | |
Letters of credit outstanding, amount | | | | | | | | | | | 4,000,000 | | $ 4,000,000 | 4,000,000 | | |
Outstanding under term loan facility | | | | | | | | | | | $ 630,575,000 | | $ 630,575,000 | $ 513,180,000 | | |
CAPL Credit Facility [Member] | Maximum [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Commitment fee percentage | | | | | | | | | | | | | 0.50% | | | |
Line of credit facility financial covenants combined leverage ratio | | | | | | | | | | | | 6.00% | 6.00% | | | |
Letters of credit fronting fee percentage | | | | | | | | | | | | | 0.50% | | | |
CAPL Credit Facility [Member] | Maximum [Member] | LIBOR [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Consolidated leverage ratio | | | 300.00% | | | | | | | | | | | | | |
CAPL Credit Facility [Member] | Maximum [Member] | Base Rate [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Consolidated leverage ratio | | | 200.00% | | | | | | | | | | | | | |
CAPL Credit Facility [Member] | Minimum [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Commitment fee percentage | | | | | | | | | | | | | 0.25% | | | |
Letters of credit fronting fee percentage | | | | | | | | | | | | | 0.25% | | | |
CAPL Credit Facility [Member] | Minimum [Member] | LIBOR [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Consolidated leverage ratio | | | 150.00% | | | | | | | | | | | | | |
CAPL Credit Facility [Member] | Minimum [Member] | Base Rate [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Consolidated leverage ratio | | | 50.00% | | | | | | | | | | | | | |
CAPL Credit Facility [Member] | Jet-Pep Assets Acquisition [Member] | Maximum [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Line of credit facility financial covenants combined leverage ratio | | | 4.75% | | | | | | | | | | | | | |
CAPL Credit Facility [Member] | Scenario Forecast [Member] | Maximum [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Line of credit facility financial covenants combined leverage ratio | | | | | | | | 5.25% | 5.50% | 5.75% | | | | | | |
CAPL Credit Facility [Member] | Swing-Line Loans [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Line of credit facility, increase (decrease), net | | | | | | | | | | | | | $ 35,000,000 | | | |
CAPL Credit Facility [Member] | Standby Letters of Credit [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Line of credit facility, increase (decrease), net | | | | | | | | | | | | | $ 65,000,000 | | | |
Commitment fee percentage | | | | | | | | | | | | | 0.125% | | | |
Letters of credit fronting fee percentage | | | | | | | | | | | | | 0.125% | | | |
CAPL Credit Facility [Member] | Upon Issuance of Qualified Senior Notes [Member] | Scenario Forecast [Member] | Maximum [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Line of credit facility financial covenants combined leverage ratio | | | | | | | | 5.25% | | | | | | | | |
Line of credit facility financial covenants combined leverage ratio, threshold | | | | | | | | 5.50% | | | | | | | | |
CAPL Credit Facility [Member] | Upon Issuance of Qualified Senior Notes [Member] | Scenario Forecast [Member] | Jet-Pep Assets Acquisition [Member] | Maximum [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Line of credit facility financial covenants combined leverage ratio | | | | | | | | 5.50% | | | | | | | | |
CAPL Credit Facility [Member] | Senior Secured Notes [Member] | Scenario Forecast [Member] | Maximum [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Line of credit facility financial covenants combined leverage ratio | | | | | | | | 3.75% | | | | | | | | |
Line of credit facility financial covenants combined leverage ratio, threshold | | | | | | | | 4.00% | | | | | | | | |
CAPL Credit Facility [Member] | Notes Payable to Banks [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Line of credit facility, interest rate at period end | | | | | | | | | | | 2.80% | | 2.80% | | | |
Debt instrument, basis spread on variable rate | | | | | | | | | | | | | 2.50% | | | |
Senior Secured Credit Facility [Member] | JKM Credit Facility [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Line of credit facility, maximum borrowing capacity | | $ 200,000,000 | | | | | | | | | | | | | | |
Term Loan Facility [Member] | JKM Credit Facility [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Line of credit facility, maximum borrowing capacity | | $ 185,000,000 | | | | | | | | | $ 2,500,000 | | $ 2,500,000 | | | |
Percentage of unpaid principal amount | | 1.50% | | | | | | | | | | | | | | |
Debt Instrument, due date of first payment | | Apr. 1, 2022 | | | | | | | | | | | | | | |
Outstanding under term loan facility | | | | | | | | | | | 182,500,000 | | 182,500,000 | | | |
Term Loan Facility [Member] | JKM Credit Facility [Member] | Subsequent Event [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Borrowed under term loan facility to partially fund the acquisition of final three sites from 7-Eleven | | | | | | | | | | | | | | | | $ 1,100,000 |
Revolving Credit Facility [Member] | JKM Credit Facility [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Line of credit facility, maximum borrowing capacity | | $ 15,000,000 | | | | | | | | | $ 14,200,000 | | $ 14,200,000 | | | |
Revolving Credit Facility [Member] | Swing-Line Loans [Member] | Maximum [Member] | JKM Credit Facility [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Line of credit facility, increase (decrease), net | | 7,500,000 | | | | | | | | | | | | | | |
Revolving Credit Facility [Member] | Standby Letters of Credit [Member] | JKM Credit Facility [Member] | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | |
Line of credit facility, increase (decrease), net | | $ 5,000,000 | | | | | | | | | | | | | | |