Condensed 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	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, 2022	$ 162	$ 1		$ (10,949)	$ 1,159,577	$ (4,788)	$ (3,583)	$ (1,948,009)		$ (807,589)
Beginning 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								(45,436)		(45,436)
Equity-based compensation					111					111
Foreign currency translation adjustment						(2,105)				(2,105)
Net realized pension actuarial gains (losses), net of tax							(89)			(89)
Issuance of Common Stock	$ 99				66,929					67,028
Issuance of Common Stock (in shares)	4,977,744
Ending balance at Mar. 31, 2023	$ 261	$ 1		$ (10,949)	1,226,617	(6,893)	(3,672)	(1,993,445)		(788,080)
Ending balance (in shares) at Mar. 31, 2023	6,371,020	2,778,111	3,029,900	612
Beginning balance at Dec. 31, 2023	$ 261	$ 1			1,236,171	(7,648)	(174)	(2,084,114)	$ (3,332)	(858,835)
Beginning balance (in shares) at Dec. 31, 2023	6,365,355	2,778,111	3,029,900
Increase (Decrease) in Stockholders' Equity (Deficit)
Net loss								(24,879)	(694)	(25,573)
Equity-based compensation					1,183					1,183
Foreign currency translation adjustment						1,226			77	1,303
Net realized pension actuarial gains (losses), net of tax							211		79	290
Ending balance at Mar. 31, 2024	$ 261	$ 1			$ 1,237,354	$ (6,422)	$ 37	$ (2,108,993)	$ (3,870)	$ (881,632)
Ending balance (in shares) at Mar. 31, 2024	6,365,355	2,778,111	3,029,900