Other Intangible, Net and Goodwill (Tables)

9 Months Ended

Sep. 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	15-20	$	23,000	$	2,894	$	20,106
Tradename	0.5-10	12,900		7,986		4,914
Covenants not to compete	1-10	5,300		2,434		2,866
		$	41,200	$	13,314	$	27,886

Goodwill [Line Items]

Schedule of Goodwill [Table Text Block]

	(in thousands)
Balance at December 31, 2018	$	132,410
Acquisition	32,611
Balance at September 30, 2019	$	165,021