Other Intangible, Net and Goodwill (Tables)

3 Months Ended

Mar. 31, 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	$	1,282	$	6,318
Tradename	6	7,400		4,163		3,237
Covenants not to compete	10	3,100		1,046		2,054
		$	18,100	$	6,491	$	11,609