Other Intangible, Net and Goodwill (Tables)

6 Months Ended

Jun. 30, 2020

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	$	3,877	$	19,123
Tradename	0.5-10	12,900		8,500		4,400
Covenants not to compete	1-10	5,300		2,883		2,417
		$	41,200	$	15,260	$	25,940