Note 4 - Goodwill and Intangible Assets - Goodwill (Details) $ in Thousands	12 Months Ended
Dec. 31, 2019 USD ($)
Goodwill	$ 219,341
As at December 31, 2018	225,450
Measurement period adjustments	1,037
Impairment	(7,146)
Americas [Member]
Goodwill	64,315
INDIA
Goodwill	31,000
Malaysia 1 [Member]
Goodwill	47,543
SAUDI ARABIA
Goodwill	54,840
SOUTH AFRICA
Goodwill	5,910
ARGENTINA
Goodwill	4,991
AUSTRALIA
Goodwill	$ 10,742

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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