Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Supplemental Cash Flow Information [Abstract]
Non-cash investing activity in connection with property and equipment, seller financing	$ 20,800	$ 12,000
Net foreign currency adjustments	$ 5,141	$ 1,386

Amount before tax of foreign currency transaction unrealized gain (loss) recognized in the income statement.

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