Equity-based compensation - Summary of Equity-based Compensation Cost Recognized (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total equity-based compensation	$ 8,112	$ 9,221	$ 15,136	$ 17,855
QLH restricted Class B-1 units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total equity-based compensation	0	6	0	13
Restricted Class A shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total equity-based compensation	0	101	0	206
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total equity-based compensation	8,112	8,775	14,819	17,245
Performance-based restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total equity-based compensation	$ 0	$ 339	$ 317	$ 391

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details