SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Supplemental cash flow (Tables)

9 Months Ended

Sep. 30, 2020

Supplemental Cash Flow Elements [Abstract]

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

Supplemental cash flow information

The following table shows supplemental cash flow information (in thousands):

	Nine months ended September 30,
	2020		2019
Non-cash investing and financing activities:
Recognition of right-of-use assets upon adoption of ASC 842	$	—	$	30,968
Deposit applied to business combination purchase price	—		7,347
Recognition of right-of-use assets obtained in exchange for new operating lease liabilities	5,132		17,238