Loss Per Share (Details) (USD $) In Thousands, except Share data in Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Loss Per Share.
NET LOSS FROM CONTINUING OPERATIONS	$ 1,522	$ (13,513)	$ 2,935	$ 1,449	$ (5,976)	$ 195	$ 422	$ 1,286	$ (7,607)	$ (4,073)	$ (52,351)
Net income (loss) attributable to noncontrolling interests									(11)	545	29
Net loss attributable to Ciber, Inc. from continuing operations									(7,596)	(4,618)	(52,380)
Loss from discontinued operations, net of income tax	(1,435)	(952)	(4,555)	18	(119)	(9,510)	(297)	(83)	(6,924)	(10,009)	(14,881)
NET LOSS ATTRIBUTABLE TO CIBER, INC.	$ 102	$ (14,469)	$ (1,766)	$ 1,613	$ (6,240)	$ (9,449)	$ (81)	$ 1,143	$ (14,520)	$ (14,627)	$ (67,261)
Anti-dilutive securities omitted from the calculation (in shares)									6.1	9.0	8.2