DIVESTITURES (Notes)	12 Months Ended
Dec. 31, 2016
DIVESTITURES [Line Items]
Mergers, Acquisitions and Dispositions Disclosures [Text Block]	DIVESTITURES Hudson Information Technology (US) business (the "US IT business") On June 15, 2015, the Company completed the sale (the "US IT Business Sale") of substantially all of the assets (excluding working capital) of its US IT business to Mastech, Inc. (the "Purchaser"). The completion of the US IT Business Sale was effective June 14, 2015. The US IT Business Sale was pursuant to an Asset Purchase Agreement, dated as of May 8, 2015, by and among the Company, Hudson Global Resources Management, Inc., a wholly owned subsidiary of the Company, and the Purchaser. At the closing of the Sale, the Company received from the Purchaser pursuant to the Asset Purchase Agreement the purchase price of $16,977 in cash. The US IT business pre-tax loss in accordance with ASC No. 205 "Reporting Discontinued Operations" ("ASC 205") for the year ended December 31, 2015 was $130 compared to a pre-tax profit of $2,167 for the same period in 2014. On the US IT Business Sale, for the year ended December 31, 2015, the Company recognized a pre-tax gain of $15,918, net of closing and other direct transaction costs. Income tax on the gain of the US IT business sale was $11. For U.S. Federal income tax purposes, the gain is offset in full by net operating loss carryforwards. For state and local income tax purposes, the gain is mostly offset by net operating loss carryforwards. As the divestiture did not meet the requirements for classification as discontinued operations, the gain on sale is presented as a component of income (loss) from operations. Netherlands business On May 7, 2015, the Company entered into a Share Purchase Agreement and completed the sale (the "Netherlands Business Sale") of its Netherlands business, to InterBalance Group B.V., effective April 30, 2015, in a management buyout for $9,029, which included cash retained of $1,135. As a result, for the year ended December 31, 2015 the Company recognized a gain of $2,841 on the divestiture of the Netherlands Business Sale, which included $2,799 of non-cash accumulated foreign currency translation losses. Income tax on the gain was $0 because the gain is exempt from Netherlands tax. As the divestiture did not meet the requirements for classification as discontinued operations, the gain on sale is presented as a component of income (loss) from operations. The Netherlands pre-tax profit in accordance with ASC 205 for the years ended December 31, 2015 and 2014 was $373 and $1,799, respectively. Exit of Businesses in Central and Eastern Europe In February 2015, the Company's Board of Directors approved the exit of operations in certain countries within Central and Eastern Europe (Ukraine, Czech Republic and Slovakia). During the second quarter of 2015, the Company deemed the liquidation of its Central and Eastern Europe businesses to be substantially complete. In accordance with ASC 830, "Foreign Currency Matters," ("ASC 830") for the year ended December 31, 2015 the Company transferred $1,208 of accumulated foreign currency translation gains from accumulated other comprehensive income to the statement of operations within gain on sale and exit of businesses. Luxembourg In March 2015, the Company's management approved the exit of operations in Luxembourg. In the third quarter of 2015, the Company deemed the liquidation of its Luxembourg business to be substantially complete. In accordance with ASC 830, for the year ended December 31, 2015, the Company transferred $132 of accumulated foreign currency translation losses from accumulated other comprehensive income to the statement of operations within gain on sale and exit of businesses.

DIVESTITURES

Hudson Information Technology (US) business (the "US IT business")

On June 15, 2015, the Company completed the sale (the "US IT Business Sale") of substantially all of the assets (excluding working capital) of its US IT business to Mastech, Inc. (the "Purchaser"). The completion of the US IT Business Sale was effective June 14, 2015. The US IT Business Sale was pursuant to an Asset Purchase Agreement, dated as of May 8, 2015, by and among the Company, Hudson Global Resources Management, Inc., a wholly owned subsidiary of the Company, and the Purchaser. At the closing of the Sale, the Company received from the Purchaser pursuant to the Asset Purchase Agreement the purchase price of $16,977 in cash. The US IT business pre-tax loss in accordance with ASC No. 205 "Reporting Discontinued Operations" ("ASC 205") for the year ended December 31, 2015 was $130 compared to a pre-tax profit of $2,167 for the same period in 2014.

On the US IT Business Sale, for the year ended December 31, 2015, the Company recognized a pre-tax gain of $15,918, net of closing and other direct transaction costs. Income tax on the gain of the US IT business sale was $11. For U.S. Federal income tax purposes, the gain is offset in full by net operating loss carryforwards. For state and local income tax purposes, the gain is mostly offset by net operating loss carryforwards. As the divestiture did not meet the requirements for classification as discontinued operations, the gain on sale is presented as a component of income (loss) from operations.

Netherlands business

On May 7, 2015, the Company entered into a Share Purchase Agreement and completed the sale (the "Netherlands Business Sale") of its Netherlands business, to InterBalance Group B.V., effective April 30, 2015, in a management buyout for $9,029, which included cash retained of $1,135. As a result, for the year ended December 31, 2015 the Company recognized a gain of $2,841 on the divestiture of the Netherlands Business Sale, which included $2,799 of non-cash accumulated foreign currency translation losses. Income tax on the gain was $0 because the gain is exempt from Netherlands tax. As the divestiture did not meet the requirements for classification as discontinued operations, the gain on sale is presented as a component of income (loss) from operations. The Netherlands pre-tax profit in accordance with ASC 205 for the years ended December 31, 2015 and 2014 was $373 and $1,799, respectively.

Exit of Businesses in Central and Eastern Europe

In February 2015, the Company's Board of Directors approved the exit of operations in certain countries within Central and Eastern Europe (Ukraine, Czech Republic and Slovakia). During the second quarter of 2015, the Company deemed the liquidation of its Central and Eastern Europe businesses to be substantially complete. In accordance with ASC 830, "Foreign Currency Matters," ("ASC 830") for the year ended December 31, 2015 the Company transferred $1,208 of accumulated foreign currency translation gains from accumulated other comprehensive income to the statement of operations within gain on sale and exit of businesses.

Luxembourg

In March 2015, the Company's management approved the exit of operations in Luxembourg. In the third quarter of 2015, the Company deemed the liquidation of its Luxembourg business to be substantially complete. In accordance with ASC 830, for the year ended December 31, 2015, the Company transferred $132 of accumulated foreign currency translation losses from accumulated other comprehensive income to the statement of operations within gain on sale and exit of businesses.