Notes payable and line of credit (Tables)

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Summary of notes payable

A summary of notes payable is as follows:

	2017	2016
	($000 omitted)
Banks – varying payments and rates (1)	98,875	92,875
Other than banks	10,437	13,933
	109,312	106,808

⁽¹⁾ Average interest rates were 2.59% and 1.97% during the year ended December 31, 2017 and 2016, respectively.