Goodwill and other intangibles - Summary of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Goodwill summary
Beginning balances	$ 924,837	$ 431,477
Acquisitions	134,225	499,553
Purchase accounting adjustments	15,212	(6,170)
Disposals	(1,292)	(23)
Ending balances	1,072,982	924,837
Corporate and Other
Goodwill summary
Beginning balances	15,350	0
Acquisitions	0	15,350
Purchase accounting adjustments	(14,450)	0
Disposals	(900)	0
Ending balances	0	15,350
Title \| Operating Segments
Goodwill summary
Beginning balances	583,944	361,433
Acquisitions	134,225	226,134
Purchase accounting adjustments	2,701	(3,600)
Disposals	(392)	(23)
Ending balances	720,478	583,944
Real estate solutions \| Operating Segments
Goodwill summary
Beginning balances	325,543	70,044
Acquisitions	0	258,069
Purchase accounting adjustments	26,961	(2,570)
Disposals	0	0
Ending balances	$ 352,504	$ 325,543

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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