Consolidated Statements of Equity - USD ($)	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]	Treasury Stock [Member]	Treasury Stock [Member] Restricted Stock Units (RSUs) [Member]	Treasury Stock [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]
Beginning balance at Dec. 31, 2020	$ 558,157,000			$ 27,709,000	$ 192,492,000			$ (660,021,000)			$ 1,351,220,000	$ (359,306,000)	$ 552,094,000		$ 6,063,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(9,365,000)										(9,365,000)		(9,365,000)
Other Comprehensive Income (Loss), Net of Tax	(1,802,000)											(1,802,000)	(1,802,000)
Restricted Stock or Unit Expense	1,355,000												1,355,000
Restricted stock and restricted stock unit activity						$ (13,642,000)			$ 14,997,000
Ending balance at Mar. 31, 2021	548,345,000			27,709,000	168,411,000			(634,585,000)			1,341,855,000	(361,108,000)	542,282,000		6,063,000
Beginning balance at Dec. 31, 2020	558,157,000			27,709,000	192,492,000			(660,021,000)			1,351,220,000	(359,306,000)	552,094,000		6,063,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(3,124,000)
Other Comprehensive Income (Loss), Net of Tax	4,297,000
Ending balance at Jun. 30, 2021	562,732,000			27,709,000	168,002,000			(632,129,000)			1,348,096,000	(355,009,000)	556,669,000		6,063,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Writeoff	1.5
Beginning balance at Mar. 31, 2021	548,345,000			27,709,000	168,411,000			(634,585,000)			1,341,855,000	(361,108,000)	542,282,000		6,063,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)											6,241,000
Other Comprehensive Income (Loss), Net of Tax	6,099,000											6,099,000
Restricted stock and restricted stock unit activity			$ 2,047,000			(409,000)	$ (10,439,000)		2,456,000	$ 10,439,000				$ 2,047,000
Ending balance at Jun. 30, 2021	562,732,000			27,709,000	168,002,000			(632,129,000)			1,348,096,000	(355,009,000)	556,669,000		6,063,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Right-of-use operating lease assets	146,097,000
Interest Receivable	1,200,000
Beginning balance at Dec. 31, 2021	511,024,000			27,709,000	173,608,000			(631,811,000)			1,301,913,000	(366,458,000)	504,961,000		6,063,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(19,210,000)										(19,210,000)		(19,210,000)
Other Comprehensive Income (Loss), Net of Tax	9,871,000												9,871,000
Restricted Stock or Unit Expense	370,000												370,000
Restricted stock and restricted stock unit activity						(19,082,000)	$ (6,466,000)		19,452,000	$ 6,466,000
Ending balance at Mar. 31, 2022	502,055,000			27,709,000	148,060,000			(605,893,000)			1,282,703,000	(356,587,000)	495,992,000		6,063,000
Beginning balance at Dec. 31, 2021	511,024,000			27,709,000	173,608,000			(631,811,000)			1,301,913,000	(366,458,000)	504,961,000		6,063,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(15,490,000)
Other Comprehensive Income (Loss), Net of Tax	(21,796,000)
Ending balance at Jun. 30, 2022	476,728,000			27,709,000	150,539,000			(605,752,000)			1,286,423,000	(388,254,000)	470,665,000		6,063,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Debt Instrument, Basis Spread on Variable Rate		325.00%
Financing Receivable, Allowance for Credit Loss, Writeoff	2,500,000
Beginning balance at Mar. 31, 2022	502,055,000			27,709,000	148,060,000			(605,893,000)			1,282,703,000	(356,587,000)	495,992,000		6,063,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	3,720,000										3,720,000
Other Comprehensive Income (Loss), Net of Tax	(31,667,000)											(31,667,000)
Restricted stock and restricted stock unit activity						$ 2,479,000			$ 141,000					$ 2,620,000
Ending balance at Jun. 30, 2022	476,728,000			$ 27,709,000	$ 150,539,000			$ (605,752,000)			$ 1,286,423,000	$ (388,254,000)	$ 470,665,000		$ 6,063,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Right-of-use operating lease assets	133,318,000
Financing Receivable, Allowance for Credit Loss	500,000
Interest Receivable	$ 1,000,000