Share-based payments - Schedule Of Options Activity (Details)	12 Months Ended
	Dec. 31, 2023 $ / shares shares
Units
Outstanding beginning (in shares) | shares	693,341
Exercised (in shares) | shares	(9,051)
Forfeitures (in shares) | shares	(9,272)
Outstanding ending (in shares) | shares	675,018
Nonvested (in shares) | shares	61,565
Weighted-Average Exercise Price ($)
Outstanding beginning (in usd per share) | $ / shares	$ 42.37
Exercised (in usd per share) | $ / shares	39.76
Forfeited (in usd per share) | $ / shares	47.79
Outstanding ending (in usd per share) | $ / shares	42.33
Nonvested (in shares) | $ / shares	$ 53.24