Effective Income Tax Rate Reconciliation, Before Reorganization Adjustments, Percent

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Effective Income Tax Rate Reconciliation, Reorganization Adjustments, Percent

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Stock Issued During Period, Shares, Earnouts Exercised

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Stock Issued During Period, Value, Earnouts Exercised

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Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax obligations.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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INCOME TAXES - (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
INCOME TAXES - (Details) - USD ($) $ in Thousands	Sep. 08, 2025	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Income tax (benefit) provision		$ 29,804	$ 629	$ 55,046	$ 51
Effective income tax rate, before adjustments				(32.50%)
Effective income tax rate, adjustments				(13.50%)
Effective income tax rate					(0.20%)
Income taxes payable		38,990		$ 38,990		$ 444
Exercise of Earnouts (in shares)	4,245,597
Exercise of Earnouts	$ 85,000	$ 74,908
CompoSecure Holdings, L.L.C.
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Ownership percentage		100.00%		100.00%