Long-term debt - Schedule of Long-Term Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022	Sep. 22, 2020
Debt Instrument [Line Items]
Unamortized Debt Issuance Cost	$ (501)	$ (616)
Long-term debt	112,549	113,434
5.50% Senior Secured Notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 113,050	$ 114,050
5.50% Senior Secured Notes | Senior Secured Notes
Debt Instrument [Line Items]
Stated interest rate (as a percent)			5.50%