Intangible Assets and Goodwill (Tables)

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	2021
	Amortization period (years)	Gross Amount		Accumulated Amortization		Net intangible assets
		(in thousands)
Customer relationships	15-20	$	23,000	$	5,842	$	17,158
Tradename	0.5-10	12,900		9,220		3,680
Covenants not to compete	1-10	5,300		3,783		1,517
		$	41,200	$	18,845	$	22,355

	2020
	Amortization period (years)	Gross Amount		Accumulated Amortization		Net intangible assets
		(in thousands)
Customer relationships	15-20	$	23,000	$	4,531	$	18,469
Tradename	0.5-10	12,900		8,740		4,160
Covenants not to compete	1-10	5,300		3,183		2,117
		$	41,200	$	16,454	$	24,746