Other Intangible, Net and Goodwill (Tables)

6 Months Ended

Jun. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	Amortization period (years)	Gross Amount		Accumulated Amortization		Net intangible assets
		(in thousands)
Customer relationships	20	$	7,600	$	1,377	$	6,223
Tradename	6	7,400		4,471		2,929
Covenants not to compete	10	3,100		1,124		1,976
		$	18,100	$	6,972	$	11,128