Share-based payments - Schedule Of Options Activity (Details)	12 Months Ended
	Dec. 31, 2022 $ / shares shares
Units
Outstanding beginning (in shares) | shares	726,529
Exercised (in shares) | shares	(11,248)
Forfeitures (in shares) | shares	(21,940)
Outstanding ending (in shares) | shares	693,341
Nonvested (in shares) | shares	391,515
Weighted-Average Exercise Price ($)
Outstanding beginning (in usd per share) | $ / shares	$ 42.25
Exercised (in usd per share) | $ / shares	39.76
Forfeited (in usd per share) | $ / shares	39.76
Outstanding ending (in usd per share) | $ / shares	42.37
Nonvested (in shares) | $ / shares	$ 43.46