Goodwill (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2023 USD ($)
Goodwill [Roll Forward]
Beginning balances	$ 1,072,982
Acquisitions	22,674
Purchase accounting adjustments	(20,978)
Ending balance	1,074,678
Title
Goodwill [Roll Forward]
Beginning balances	720,478
Acquisitions	4,674
Purchase accounting adjustments	(20,978)
Ending balance	704,174
Real Estate Solutions
Goodwill [Roll Forward]
Beginning balances	352,504
Acquisitions	18,000
Purchase accounting adjustments	0
Ending balance	370,504
Corporate and Other
Goodwill [Roll Forward]
Beginning balances	0
Acquisitions	0
Purchase accounting adjustments	0
Ending balance	$ 0