Acquisitions (Tables)

12 Months Ended

Dec. 31, 2019

Business Acquisition [Line Items]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

(in thousands)	As of November 30, 2019
Cash and cash equivalents	$	5,325
Trade accounts receivable	2,167
Other current assets	798
Property and equipment	16,542
Intangible assets	39,000
Total assets acquired	$	63,832
Trade accounts payable	$	(6,790	)
Accrued expenses and other current liabilities	(80		)
Total liabilities assumed	$	(6,870	)
Goodwill	35,540
Net assets acquired	$	92,502