Condensed Consolidated Income Statements (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Revenues:
Revenue	$ 333,444	$ 321,164
Costs and expenses:
Vessel operating costs	164,979	167,556
Costs of other operating revenues	1,430	1,150
General and Administrative Expense	29,094	25,329
Depreciation and amortization	65,432	56,270
Gain on asset dispositions, net	(2,538)	(11,039)
Total costs and expenses	258,397	239,266
Operating income	75,047	81,898
Other income (expense):
Foreign exchange gain (loss)	7,569	(4,085)
Equity in net losses of unconsolidated companies	0	(5)
Interest income and other, net	2,157	1,483
Interest and other debt costs, net	(16,344)	(19,476)
Total other expense	(6,618)	(22,083)
Income before income taxes	68,429	59,815
Income tax expense	26,109	13,070
Net income	42,320	46,745
Net loss attributable to noncontrolling interests	(333)	(281)
Net income attributable to Tidewater Inc.	$ 42,653	$ 47,026
Basic income per common share (in dollars per share)	$ 0.83	$ 0.9
Diluted income per common share (in dollars per share)	$ 0.83	$ 0.89
Weighted average common shares outstanding (in shares)	51,502	52,320
Dilutive effect of warrants, restricted stock units and stock options (in shares)	176	580
Adjusted weighted average common shares (in shares)	51,678	52,900
Vessel [Member]
Revenues:
Revenue	$ 330,699	$ 318,686
Product and Service, Other [Member]
Revenues:
Revenue	$ 2,745	$ 2,478