SEGMENTED INFORMATION (Tables)

12 Months Ended

Dec. 31, 2019

Disclosure of operating segments [abstract]

Disclosure of operating segments

For the Years Ended December 31,	Wassa		Prestea			Other			Corporate			Total
2019
Revenue	$	203,820	$	60,917		—			—			$	264,737
Mine operating expenses	98,722		71,427			—			—			170,149
Severance charges	225		143			—			—			368
Operating costs from/(to) metal inventory	299		(652		)	—			—			(353		)
Inventory net realizable value adjustment and write-off	—		1,216			—			—			1,216
Royalties	10,877		4,083			—			—			14,960
Cost of sales excluding depreciation and amortization	110,123		76,217			—			—			186,340
Depreciation and amortization	17,134		11,920			—			—			29,054
Mine operating margin/(loss)	76,563		(27,220		)	—			—			49,343
Impairment charges	—		56,762			—			—			56,762
Income tax expense	27,439		—			—			—			27,439
Net income/(loss) attributable to non-controlling interest	4,671		(15,211		)	—			—			(10,540		)
Net income/(loss) attributable to Golden Star	$	35,357	$	(72,751	)	$	1,190		$	(31,230	)	$	(67,434	)
Capital expenditures	$	60,123	$	13,018		—			—			$	73,141
2018
Revenue	$	183,078	$	89,939		$	—		$	—		$	273,017
Mine operating expenses	86,916		89,112			—			—			176,028
Severance charges	4,970		9,888			—			—			14,858
Operating costs from metal inventory	7,184		5,702			—			—			12,886
Inventory net realizable value adjustment and write-off	3,684		1,971			—			—			5,655
Royalties	9,508		4,794			—			—			14,302
Cost of sales excluding depreciation and amortization	112,262		111,467			—			—			223,729
Depreciation and amortization	22,066		11,873			—			—			33,939
Mine operating margin/(loss)	48,750		(33,401		)	—			—			15,349
Income tax expense	12,350		—			—			—			12,350
Net income/(loss) attributable to non-controlling interest	3,043		(8,991		)	—			—			(5,948		)
Net income/(loss) attributable to Golden Star	$	27,994	$	(25,351	)	$	(8,543	)	$	(12,223	)	$	(18,123	)
Capital expenditures	$	35,420	$	11,414								$	46,834

Segmented Assets

The following table presents the segmented assets:

	Wassa		Prestea		Other		Corporate		Total
December 31, 2019
Total assets	$	233,634	$	94,453	$	2,951	$	43,022	$	374,060
December 31, 2018
Total assets	$	181,446	$	147,815	$	898	$	87,828	$	417,987