Capitalized Interest (Tables)

6 Months Ended

Jun. 30, 2018

Interest Expense [Abstract]

Summary of Interest Incurred, Capitalized and Expensed

The following table sets forth details of interest incurred, capitalized and expensed:

	Three months ended June 30				Six months ended June 30
In thousands	2018		2017		2018		2017
Interest cost incurred	$	5,814	$	4,880	$	11,405	$	9,477
Interest capitalized		-		404		396		993
Interest expense	$	5,814	$	4,476	$	11,009	$	8,484