Debt and Financing Arrangements (Tables)

6 Months Ended

Jun. 30, 2019

Debt Disclosure [Abstract]

Summary of Unsecured Credit Facility

Interest rates for the six months ended June 30, 2019 and 2018 were as follows:

	Six Months Ended
	June 30,
	2019	2018
Weighted average rates	3.20%	3.03%
Range of effective rates	2.12% - 5.50%	2.37% - 5.00%