Goodwill and other intangibles (Tables)

3 Months Ended

Mar. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of goodwill

The summary of changes in goodwill is as follows.

	Title	Ancillary Services and Corporate	Consolidated Total
		($000 omitted)
Balances at December 31, 2020	361,433	70,044	431,477
Acquisitions	32,619	20,202	52,821
Purchase accounting adjustments	(4,397)	258	(4,139)
Balances at March 31, 2021	389,655	90,504	480,159