Franchise arrangements - Schedule of Future Minimum Rent Payments Due to the Company Under Existing Franchised Agreements (Details) $ in Thousands	Dec. 31, 2021 USD ($)
Franchise Arrangements [Line Items]
2022	$ 54,907
2023	47,149
2024	42,132
2025	38,715
2026	34,284
Thereafter	164,995
Total	382,182
Owned sites
Franchise Arrangements [Line Items]
2022	4,916
2023	4,568
2024	4,501
2025	4,514
2026	4,553
Thereafter	37,524
Total	60,576
Leased sites
Franchise Arrangements [Line Items]
2022	49,991
2023	42,581
2024	37,631
2025	34,201
2026	29,731
Thereafter	127,471
Total	$ 321,606

Franchise Arrangements [Line Items]

No definition available.

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- Definition

Amount of lease payments to be received by lessor for operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=124258985&loc=SL77919396-209981

+ Details

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- Definition

Amount of lease payment to be received by lessor for operating lease in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

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- Definition

Amount of lease payment to be received by lessor for operating lease in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

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- Definition

Amount of lease payment to be received by lessor for operating lease in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

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- Definition

Amount of lease payment to be received by lessor for operating lease after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

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- Definition

Amount of lease payment to be received by lessor for operating lease in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

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- Definition

Amount of lease payment to be received by lessor for operating lease in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

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