Divestiture (Details) - USD ($) $ in Thousands		1 Months Ended	6 Months Ended
	Jun. 16, 2016	Aug. 04, 2016	Jun. 30, 2016	Dec. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restricted cash			$ 2,500	$ 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
Gain on sale of assets			$ 6,900
Escrow amount	$ 5,000
First escrow release period	12 months
Second escrow release period	18 months
Restricted cash	$ 2,500
Long term restricted portion of escrow amount	$ 2,500
Sale of Ciber Nederland B.V | Subsequent Event
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Working capital		$ 3,900
Adjusted purchase price		$ 28,900