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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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SHARE-BASED COMPENSATION (Details) - USD ($) $ in Millions			3 Months Ended		9 Months Ended
SHARE-BASED COMPENSATION (Details) - USD ($) $ in Millions	May 27, 2026	Mar. 05, 2026	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Share-based compensation arrangement, number of shares authorized (in shares)			3,500,000		3,500,000
Phantom Share Units (PSUs)
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Allocated share-based compensation expense			$ 1.6	$ 1.5	$ 6.2	$ 4.8
Unrecognized compensation costs related to performance awards			9.1		$ 9.1
Unrecognized compensation cost related to share awards, expected weighted average vesting period					1 year 9 months 18 days
Phantom Share Units (PSUs) \| Civeo Plan
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Share awards granted (in shares)		132,804
Vesting period of share awards		3 years
Phantom Share Units (PSUs) \| Canadian Long-Term Incentive Plan
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Share awards granted (in shares)		44,187
Vesting period of share awards		3 years
Performance Shares
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Allocated share-based compensation expense			0.3	$ 0.8	$ 0.5	1.5
Unrecognized compensation costs related to performance awards			$ 2.0		$ 2.0
Unrecognized compensation cost related to share awards, expected weighted average vesting period					2 years
Target performance, growth in EBITDA, period		3 years
Share awards vested (in shares)			0	0
Fair value of restricted share awards and deferred compensation that vested during the period					$ 0.9	1.7
Performance Shares \| Civeo Plan
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Share awards granted (in shares)		144,433
Vesting period of share awards		3 years
Performance Shares \| Civeo Plan \| Minimum
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Target performance, share award percentage		0.00%
Performance Shares \| Civeo Plan \| Maximum
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Target performance, share award percentage		200.00%
Restricted Share Awards, Restricted Share Units, and Deferred Stock Awards
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Share awards granted (in shares)	30,224
Restricted Stock and Deferred Stock Awards
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Allocated share-based compensation expense			$ 0.3	$ 0.3	$ 1.0	0.8
Unrecognized compensation cost related to share awards, expected weighted average vesting period					7 months 6 days
Share awards vested (in shares)			0	0
Fair value of restricted share awards and deferred compensation that vested during the period					$ 2.2	$ 0.9
Unrecognized compensation cost related to restricted share and deferred share awards			$ 0.7		$ 0.7