Goodwill and intangibles (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Goodwill [Line Items]
Goodwill	$ 142,162,000	$ 137,889,000
Indefinite intangible assets	32,700,000
Impairment of indefinite intangible assets	0
Defined-lived intangible assets	1,600,000
PCD reporting
Goodwill [Line Items]
Goodwill	137,900,000
Corporate And Other Reporting Unit
Goodwill [Line Items]
Goodwill	$ 4,300,000