Divestitures (Details) - USD ($)				1 Months Ended	3 Months Ended	6 Months Ended	9 Months Ended
	Sep. 19, 2016	Aug. 26, 2016	Jun. 16, 2016	Nov. 08, 2016	Sep. 30, 2016	Jun. 30, 2016	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restricted cash					$ 2,850,000		$ 2,850,000		$ 0
Proceeds from sale of assets/entity							33,614,000	$ 0
Sale of Ciber Nederland B.V
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase price			$ 25,000,000
Escrow amount			$ 5,000,000
First escrow release period			12 months
Second escrow release period			18 months
Restricted cash			$ 2,500,000
Long term restricted portion of escrow amount			$ 2,500,000
Working capital					3,900,000
Adjusted purchase price					28,900,000		28,900,000
Period after closing for potential purchase price adjustment			6 months
Gain (loss) on sale of assets					$ (200,000)	$ 6,900,000	6,700,000
Sale of Ciber Norge
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase price		$ 7,000,000
Escrow amount		$ 700,000
First escrow release period		12 months
Second escrow release period		18 months
Restricted cash		$ 350,000
Long term restricted portion of escrow amount		350,000
Working capital		3,400,000
Adjusted purchase price		$ 10,400,000
Period after closing for potential purchase price adjustment		12 months
Maximum purchase price adjustment		$ 1,750,000.00
Gain (loss) on sale of assets							5,000,000
Sale of Ciber Sweden
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (loss) on sale of assets							$ 900,000
Purchase price for sale of Ciber Sweden	$ 1,000,000
Maximum purchase price adjustment, as a percent of the purchase price	15.00%
Sale of Ciber Sweden | Subsequent Event
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase price adjustment				$ 100,000
Proceeds from sale of assets/entity				$ 900,000