Goodwill and other intangibles (Tables)

12 Months Ended

Dec. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of goodwill

The summary of changes in goodwill is as follows: 

	Title	Real Estate Solutions	Corporate and Other	Total
	(in $ thousands)
Balances at January 1, 2021	361,433	70,044	—	431,477
Acquisitions	226,134	258,069	15,350	499,553
Purchase accounting adjustments	(3,600)	(2,570)	—	(6,170)
Disposals	(23)	—	—	(23)
Balances at December 31, 2021	583,944	325,543	15,350	924,837
Acquisitions	134,225	—	—	134,225
Purchase accounting adjustments	2,701	26,961	(14,450)	15,212
Disposals	(392)	—	(900)	(1,292)
Balances at December 31, 2022	720,478	352,504	—	1,072,982

Summary of intangibles by class

The summary of other intangibles by major class (refer to Note 1-M) is as follows:

	Customer Relationships	Technology	Others	Total
	(in $ thousands)
Balances at December 31, 2022:
Gross	136,027	78,627	48,957	263,611
Accumulated amortization	(17,879)	(23,744)	(22,904)	(64,527)
Net	118,148	54,883	26,053	199,084
Balances at December 31, 2021:
Gross	125,727	92,962	42,837	261,526
Accumulated amortization	(6,564)	(9,155)	(16,003)	(31,722)
Net	119,163	83,807	26,834	229,804