Earnings per share (Tables)

12 Months Ended

Dec. 31, 2019

Earnings per share [abstract]

Schedule of earnings per share

	2019	2018		2017
Result for the period (in USD)	112,230,267	(110,069,928	)	1,382,530
Weighted average number of ordinary shares	216,029,171	191,994,398		158,166,534
Basic earnings per share (in USD)	0.52	(0.57	)	0.01

The table below shows the potential weighted number of shares that could be created if all stock options and restricted stock units were to be converted into ordinary shares.

(in shares)	2019	2018	2017
Weighted average of ordinary shares outstanding (basic)	216,029,171	191,994,398	158,166,534
Effect of Share-based Payment arrangements	—	—	130,523
Weighted average number of ordinary shares (diluted)	216,029,171	191,994,398	158,297,057

(in shares)	Shares issued	Treasury shares		Shares outstanding		Weighted number of shares
On issue at January 1, 2017	159,208,949	1,042,415		158,166,534		158,166,534
Issuance of shares	—	—		—		—
Purchases of treasury shares	—	—		—		—
Withdrawal of treasury shares	—	—		—		—
Sales of treasury shares	—	—		—		—
On issue at December 31, 2017	159,208,949	1,042,415		158,166,534		158,166,534
On issue at January 1, 2018	159,208,949	1,042,415		158,166,534		158,166,534
Issuance of shares	60,815,764	—		60,815,764		33,823,562
Purchases of treasury shares	—	545,486		(545,486	)	(13,917	)
Withdrawal of treasury shares	—	—		—		—
Sales of treasury shares	—	(350,000	)	350,000		18,219
On issue at December 31, 2018	220,024,713	1,237,901		218,786,812		191,994,398
On issue at January 1, 2019	220,024,713	1,237,901		218,786,812		218,786,812
Issuance of shares	—	—		—		—
Purchases of treasury shares	—	3,708,315		(3,708,315	)	(2,757,641	)
Withdrawal of treasury shares	—	—		—		—
Sales of treasury shares	—	—		—		—
On issue at December 31, 2019	220,024,713	4,946,216		215,078,497		216,029,171