Goodwill and other intangibles - Schedule of Changes in Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Goodwill summary
Beginning balances	$ 1,084,139	$ 1,072,129
Acquisitions	187,819	12,666
Purchase accounting adjustments		186
Disposals		(842)
Ending balances	1,271,958	1,084,139
Title \| Operating Segments
Goodwill summary
Beginning balances	719,945	707,935
Acquisitions	8,608	12,666
Purchase accounting adjustments		186
Disposals		(842)
Ending balances	728,553	719,945
Real Estate Solutions \| Operating Segments
Goodwill summary
Beginning balances	364,194	364,194
Acquisitions	179,211	0
Purchase accounting adjustments		0
Disposals		0
Ending balances	543,405	364,194
Corporate \| Operating Segments
Goodwill summary
Beginning balances	0	0
Acquisitions	0	0
Purchase accounting adjustments		0
Disposals		0
Ending balances	$ 0	$ 0

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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+ Details

STEWART INFORMATION SERVICES CORP 10-K