Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Net sales		$ 103,305	$ 66,183	$ 284,687	$ 192,648
Cost of sales		41,547	30,035	115,318	87,074
Gross profit		61,758	36,148	169,369	105,574
Operating expenses:
General and administrative expenses		32,752	9,222	70,979	27,517
Selling expenses		3,364	5,330	8,346	5,831
Income from operations		25,642	21,596	90,044	72,226
Other income (expense):
Revaluation of earnout consideration liability		2,636	0	21,676	0
Revaluation of warrant liability		(1,678)	0	16,363	0
Change in fair value of derivative liability - convertible notes redemption make-whole provision		246	0	185	0
Interest expense, net		(5,299)	(2,499)	(14,537)	(7,635)
Amortization of deferred financing costs		(551)	(403)	(1,825)	(1,195)
Other income		1,291	0	1,291	0
Total other income (expenses), net		(3,355)	(2,902)	23,153	(8,830)
Income before income taxes		22,287	18,694	113,197	63,396
Provision for income taxes		(393)	0	(3,738)	0
Net income		21,894	18,694	109,459	63,396
Net income attributable to redeemable non-controlling interests		19,077	0	93,973	0
Net income attributable to CompoSecure, Inc.		$ 2,817	$ 18,694	$ 15,486	$ 63,396
Net income per share attributable to Class A common stockholders - basic (usd per share)		$ 0.18		$ 1.02
Net income per share attributable to Class A common stockholders - diluted (usd per share)	[1]	$ 0.18		$ 0.94
Weighted average shares used to compute net income per share attributable to Class A common stockholders - basic (shares)		15,433,438		15,141,169
Weighted average shares used to compute net income per share attributable to Class A common stockholders - diluted (shares)		19,662,060		32,814,683

[1] Net income attributable to CompoSecure, Inc.is adjusted for net effects of stock options for the three months ended September 30, 2022, and for net effects of stock options and Exchangeable Notes for the nine months ended September 30, 2022 to calculate diluted net income attributable to CompoSecure, Inc. See note 13.