OTHER - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Supplemental disclosure of cash flow information:
Cash paid for interest	$ 6,896	$ 8,070
Cash paid for taxes, net of refunds	10,793	173
Non-cash investing activities:
Translation gain (loss) adjustment	$ 2,181	$ (7,207)