Supplemental Cash Flow Information (Tables)

3 Months Ended

Mar. 31, 2018

Supplemental Cash Flow Information [Abstract]

Schedule of Cash Flow Supplemental Information

Certain supplemental cash flow information, including noncash investing and financing activities for the three months ended March 31, 2018 and 2017 are as follows:

	Three months ended March 31,
(in thousands)	2018		2017
Supplemental disclosure of cash flow information
Interest paid	$	9,854	$	8,670
Noncash investing and financing activity
Capital projects incurred but not yet paid	7,115		2,216
Investment merger (decreasing equity method investments and non-controlling interest)	—		8,360
Outstanding receivable for sale of assets	—		3,597
Dividends declared not yet paid	4,663		4,501
Debt as a result of accounting standard adoption	36,953		—
Railcar assets as a result of accounting standard adoption	25,643		—