Notes payable, convertible senior notes and line of credit (Tables)

12 Months Ended

Dec. 31, 2014

Debt Disclosure [Abstract]

Summary of Notes Payable

A summary of notes payable follows:

	2014	2013
	($000 omitted)
Banks – varying payments and rates(1)	60,000	4,202
Other than banks	5,562	1,625
	65,562	5,827

(1) Average interest rates were 2.21% and 2.82% at December 31, 2014 and 2013, respectively.