Consolidated Statements of Stockholders' Deficit - USD ($) $ in Thousands	Common Stock	Preferred Stock Series A Preferred Stock	Preferred Stock Series B Preferred Stock	Treasury Stock	Additional Paid in Capital	Equity-based compensation	Foreign currency translation adjustment	Unrealized Pension Actuarial Losses, net of tax	Accumulated Deficit	Non-Controlling Interest in XBP Europe	Total
Beginning balance at Dec. 31, 2021	$ 37	$ 1		$ (10,949)	$ 838,853	$ 56,123	$ (7,463)	$ (10,946)	$ (1,532,428)		$ (666,772)
Beginning balance (in shares) at Dec. 31, 2021	66,300	2,778,111		612
Increase (Decrease) in Stockholders' Equity (Deficit)
Net loss									(415,581)		(415,581)
Net loss											(415,581)
Equity-based compensation						970					970
Foreign currency translation adjustment							2,675				2,675
Net realized pension actuarial gains, net of tax								7,363			$ 7,363
Shares returned in connection with the Appraisal Action following repayment of Margin Loan (in shares)											380
Common Stock exchanged for Series B Preferred Stock	$ (6)				6
Common Stock exchanged for Series B Preferred Stock (in shares)	(15,150)		3,029,900
Issuance of Common Stock	$ 131				266,724						$ 266,855
Issuance of Common Stock (in shares)	1,343,507
Withholding of employee taxes on vested RSUs						(192)					(192)
Common Stock issued for vested RSUs (in shares)	284
Agreed cancellation of Common Stock issued for Director's vested RSUs (in shares)	(155)
Dividend declared and paid on Preferred Stock (($0.835 per share)					(2,532)						(2,532)
Common Stock repurchased and retired					(487)						(487)
Common Stock repurchased and retired (in shares)	(1,787)
Reversal of excess withholding of employee taxes on vested RSUs						57					57
Issuance of Common Stock to Executive Chairman under certain subscription agreement					100						100
Issuance of Common Stock to Executive Chairman under certain subscription agreement, shares	355,000
Payment for fractional shares on reverse stock split					(45)						(45)
Payment for fractional shares on reverse stock split (in shares)	(78)
Ending balance at Dec. 31, 2022	$ 162	$ 1		$ (10,949)	1,102,619	56,958	(4,788)	(3,583)	(1,948,009)		(807,589)
Ending balance (in shares) at Dec. 31, 2022	1,393,276	2,778,111	3,029,900	612
Increase (Decrease) in Stockholders' Equity (Deficit)
Net loss									(125,156)	$ 723	(125,156)
Net loss											(124,433)
Equity-based compensation						115					115
Foreign currency translation adjustment							(2,895)			(358)	(3,253)
Net realized pension actuarial gains, net of tax								2,442		1,013	3,455
Issuance of Common Stock	$ 99				66,929						67,028
Issuance of Common Stock (in shares)	4,977,744
Payment for fractional shares on reverse stock split					(31)						(31)
Payment for fractional shares on reverse stock split (in shares)	(5,667)
Treasury stock retired				$ 10,949					(10,949)
Treasury stock retired (in shares)				(612)
Contributions in exchange for the issuance of noncontrolling interest shares in XBP Europe					9,581		35	967		(4,710)	5,873
Ending balance at Dec. 31, 2023	$ 261	$ 1			$ 1,179,098	$ 57,073	$ (7,648)	$ (174)	$ (2,084,114)	$ (3,332)	$ (858,835)
Ending balance (in shares) at Dec. 31, 2023	6,365,353	2,778,111	3,029,900