Equity-based compensation - Value Appreciation Rights (Details) - VARs - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Number of Units
Outstanding, beginning of period (in shares)	7,190
Exercised (in shares)	(1,587)
Forfeited (in shares)	(1,058)
Cancelled (in shares)	(1,058)	0
Outstanding, end of period (in shares)	4,546	7,190
Value appreciation right awards vested and expected to vest (in shares)	2,883
Weighted Average Exercise Price
Outstanding, beginning of period (in dollars per shares)	$ 0.50
Exercised (in dollar per share)	0.50
Forfeited (in dollars per share)	0.50
Outstanding, end of period (in dollars per shares)	0.50	$ 0.50
Value appreciation right awards vested and expected to vest (in dollars per shares)	$ 0.50
Total Intrinsic Value
Outstanding, beginning of period, intrinsic value	$ 136,038
Outstanding, end of period, intrinsic value	5,682	$ 136,038
Value appreciation right awards vested and expected to vest	$ 3,604
Weighted Average Remaining Contractual Life (in years)
Outstanding (in years)	6 years 6 months	7 years 7 months 6 days
Value appreciation right awards vested and expected to vest (in years)	6 years 6 months