Acquisitions and Goodwill Goodwill (Tables)

6 Months Ended

Jun. 30, 2017

Goodwill Rollforward [Abstract]

Schedule of Goodwill [Table Text Block]

Goodwill activity for the first half of 2017 and 2016 is included in the table below:

	(Dollars in thousands)
	Six Months Ended June 30,
	2017		2016
Beginning balance	$	5,520	$	319
Acquisition	—		2,442
Impact of foreign exchange	161		12
Ending balance	$	5,681	$	2,773