Equity investees (Tables)

12 Months Ended

Dec. 31, 2017

Equity Method Investments and Joint Ventures [Abstract]

Summary of aggregate financial information for equity investees

Summarized aggregate financial information for equity investees (in which the Company typically owns 20% through 50% of the equity) is as follows:

	2017	2016	2015
	($000 omitted)
For the year:
Revenues	25,351	24,274	28,843
Net income	4,997	6,542	8,830
At December 31:
Total assets	32,171	32,324	33,555
Notes payable	20,902	20,895	20,200
Stockholders’ equity	9,023	9,483	7,213