Other Intangible, Net and Goodwill (Tables)

6 Months Ended

Jun. 30, 2019

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	$	13,600	$	2,671	$	10,929
Tradename	0.5-6	$	8,100	7,638		462
Covenants not to compete	1-10	$	4,200	2,301		1,899
		$	25,900	$	12,610	$	13,290