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Condensed Financial Information of DHT Holdings, Inc. - Income Statement (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Condensed Income Statement |  |  |
Shipping revenues | $ 355,052 | $ 356,010 | $ 365,114
Operating expenses |  |  |
Voyage expenses | (113,301) | (65,349) | (68,864)
Vessel operating expenses | (72,431) | (61,855) | (59,795)
Depreciation and amortization | (96,758) | (84,340) | (78,698)
Reversal of impairment charges/(impairment charges) | (8,540) | (84,700) | 0
Profit/(loss), sale of vessel | (3,540) | 138 | (807)
General and administrative expense | (17,180) | (19,391) | (21,607)
Total operating expenses | (311,749) | (315,496) | (229,771)
Operating income | 43,303 | 40,514 | 135,343
Share of profit from associated companies | 802 | 649 | 467
Interest income | 140 | 66 | 141
Interest expense | (40,109) | (35,070) | (33,637)
Fair value gain on derivative financial liabilities | 2,154 | 3,235 | 3,603
Other financial income/(expenses) | 443 | (40) | (487)
Profit/(loss) before income tax | 6,733 | 9,354 | 105,430
Income tax expense | (131) | (95) | (128)
Profit for the year | 6,602 | 9,260 | 105,302
Attributable to the owners of parent | $ 6,602 | $ 9,260 | $ 105,302
Basic net income per share | $ 0.05 | $ 0.10 | $ 1.13
Diluted net income per share | $ 0.05 | $ 0.10 | $ 1.04
Weighted average number of shares (basic) | 124,536,338 | 93,382,757 | 92,793,154
Weighted average number of shares (diluted) | 124,536,338 | 93,389,610 | 112,098,221
Parent Company [Member] |  |  |
Operating expenses |  |  |
Reversal of impairment charges/(impairment charges) | $ (4,948) | $ (18,132) | $ (9,500)
Dividend income | 25,415 | 16,900 | 125,400
General and administrative expense | (13,764) | (14,525) | (12,769)
Operating income | 6,703 | (8,987) | 108,025
Interest income | 21,798 | 14,559 | 10,692
Interest expense | 9,229 | (11,494) | (11,340)
Other financial income/(expenses) | 1,020 | 693 | 403
Profit for the year | 20,293 | (5,228) | 107,780
Revenues | $ 0 | $ 6,770 | $ 4,894

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