CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenues:
Total revenues	$ 122,149,000	$ 91,493,000
Costs and expenses:
Vessel operating costs	82,203,000	61,364,000
Costs of other operating revenues	764,000	2,474,000
General and administrative	27,140,000	23,565,000
Depreciation and amortization	22,932,000	12,017,000
Gain on asset dispositions, net	(1,270,000)	(1,919,000)
Asset impairments	0	6,186,000	[1]
Total operating costs and expenses	131,769,000	103,687,000
Operating loss	(9,620,000)	(12,194,000)
Other income (expense):
Foreign exchange loss	(508,000)	(348,000)
Equity in net losses of unconsolidated companies	(62,000)	(15,439,000)
Interest income and other, net	2,470,000	(128,000)
Interest and other debt costs, net	(7,736,000)	(7,599,000)
Total other income (expense)	(5,836,000)	(23,514,000)
Loss before income taxes	(15,456,000)	(35,708,000)
Income tax expense	5,830,000	3,321,000
Net loss	(21,286,000)	(39,029,000)
Less: Net income attributable to noncontrolling interests	445,000	143,000
Net loss attributable to Tidewater Inc.	$ (21,731,000)	$ (39,172,000)
Basic loss per common share	$ (0.58)	$ (1.67)
Diluted loss per common share	$ (0.58)	$ (1.67)
Weighted average common shares outstanding	37,179	23,425
Adjusted weighted average common shares	37,179	23,425
Vessel Revenues
Revenues:
Total revenues	$ 119,662,000	$ 87,494,000
Other Operating Revenues
Revenues:
Total revenues	$ 2,487,000	$ 3,999,000

[1] Refer to Note (14) for additional information regarding asset impairment charges.