Business Combination Goodwill (Tables)

9 Months Ended

Sep. 30, 2017

Goodwill [Abstract]

Schedule of Intangible Assets and Goodwill [Table Text Block]

The following table presents the changes in goodwill from the preliminary allocation at December 31, 2016, and the final allocation determined during the quarter ended September 30, 2017:

	Amount
	(in thousands)
Preliminary purchase price allocation	$	62,041
Adjustments	13,080
Final purchase price allocation	$	75,121