Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Operating activities
Net cash provided by operating activities	$ 47,264	$ 38,851
Investing activities
Expenditures for property, plant and equipment	(13,264)	(14,632)
Proceeds from the sale of property, plant and equipment	4,475	340
Other	(20)	870
Net cash used for investing activities	(8,809)	(13,422)
Financing activities
Additions to long-term debt	1,065	759
Reductions of long-term debt	(498)	(40,966)
Net reductions to revolving credit agreements	(4,000)	0
Cash dividends paid	(3,808)	(3,433)
Purchase of treasury shares	(1,410)	(339)
Net cash used for financing activities	(8,651)	(43,979)
Cash and cash equivalents
Total increase (decrease) for the period	29,804	(18,550)
Balance at the beginning of the period	85,257	101,600
Balance at the end of the period	$ 115,061	$ 83,050