Other Intangible, Net and Goodwill (Tables)

3 Months Ended

Mar. 31, 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	$	3,549	$	19,451
Tradename	0.5-10	12,900		8,380		4,520
Covenants not to compete	1-10	5,300		2,733		2,567
		$	41,200	$	14,662	$	26,538