Consolidated Statements of Equity - USD ($) $ in Thousands	Total	Maximum [Member] Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate	Restricted Stock Units (RSUs) [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Additional Paid-in Capital [Member] Restricted Stock Units (RSUs) [Member]	Additional Paid-in Capital [Member] Restricted Stock [Member]	Retained Earnings [Member]	Currency Translation Adjustments [Member]	Oceaneering Shareholders' Equity [Member]	Oceaneering Shareholders' Equity [Member] Restricted Stock Units (RSUs) [Member]	Noncontrolling Interest [Member]	Treasury Stock, Common	Treasury Stock, Common Restricted Stock Units (RSUs) [Member]	Treasury Stock, Common Restricted Stock [Member]
Beginning balance at Dec. 31, 2021	$ 511,024			$ 27,709	$ 173,608			$ 1,301,913	$ (366,458)	$ 504,961		$ 6,063	$ (631,811)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(19,210)							(19,210)		(19,210)
Other Comprehensive Income (Loss), Net of Tax	9,871								9,871	9,871
Restricted Stock or Unit Expense	(370)									(370)
Restricted stock and restricted stock unit activity						$ (19,082)								$ 19,452
Ending balance at Mar. 31, 2022	502,055			27,709	148,060			1,282,703	(356,587)	495,992		6,063	(605,893)
Beginning balance at Dec. 31, 2021	511,024			27,709	173,608			1,301,913	(366,458)	504,961		6,063	(631,811)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(15,490)
Other Comprehensive Income (Loss), Net of Tax	(21,796)
Ending balance at Jun. 30, 2022	476,728			27,709	150,539			1,286,423	(388,254)	470,665		6,063	(605,752)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Writeoff	2,500
Beginning balance at Mar. 31, 2022	502,055			27,709	148,060			1,282,703	(356,587)	495,992		6,063	(605,893)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)								3,720
Other Comprehensive Income (Loss), Net of Tax	(31,667)								(31,667)
Restricted stock and restricted stock unit activity			$ 2,620			2,479	$ (6,466)				$ 2,620			141	$ 6,466
Ending balance at Jun. 30, 2022	476,728			27,709	150,539			1,286,423	(388,254)	470,665		6,063	(605,752)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Right-of-use operating lease assets	139,611
Beginning balance at Dec. 31, 2022	525,804			27,709	155,858			1,327,854	(386,127)	519,741		6,063	(605,553)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	4,060							4,060		4,060
Other Comprehensive Income (Loss), Net of Tax	(1,946)									(1,946)
Restricted Stock or Unit Expense	(1,612)									(1,612)
Restricted stock and restricted stock unit activity						(26,963)	(3,884)							25,351	3,884
Ending balance at Mar. 31, 2023	526,306			27,709	125,011			1,331,914	(388,073)	520,243		6,063	(576,318)
Beginning balance at Dec. 31, 2022	525,804			27,709	155,858			1,327,854	(386,127)	519,741		6,063	(605,553)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	23,062
Other Comprehensive Income (Loss), Net of Tax	1,142
Ending balance at Jun. 30, 2023	551,482			27,709	127,552			1,350,916	(384,985)	545,419		6,063	(575,773)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Debt Instrument, Basis Spread on Variable Rate		325.00%
Financing Receivable, Allowance for Credit Loss, Writeoff	2,900
Beginning balance at Mar. 31, 2023	526,306			27,709	125,011			1,331,914	(388,073)	520,243		6,063	(576,318)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	19,002							19,002
Other Comprehensive Income (Loss), Net of Tax	3,088								3,088
Restricted stock and restricted stock unit activity						$ 2,807	$ (266)				$ 3,086			$ 279	$ 266
Ending balance at Jun. 30, 2023	551,482			$ 27,709	$ 127,552			$ 1,350,916	$ (384,985)	$ 545,419		$ 6,063	$ (575,773)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Right-of-use operating lease assets	$ 227,213