Revolving Credit Facilities	3 Months Ended
Mar. 31, 2018
Debt Disclosure [Abstract]
Revolving Credit Facilities	Revolving Credit Facilities The Company entered into a Credit Agreement, dated as of August 2, 2010, subsequently amended most recently as of February 3, 2017, among the Company, the lenders party thereto and Bank of America, N.A., as Administrative Agent (the “Credit Agreement”). The amendment to the Credit Agreement enables InnerWorkings to participate in receivables sale agreements with certain customers' lenders. The Credit Agreement includes a revolving commitment amount of $175 million in the aggregate with a maturity date of September 25, 2019, and provides the Company the right to increase the aggregate commitment amount by an additional $50 million. Outstanding borrowings under the revolving credit facility are guaranteed by the Company’s material domestic subsidiaries, as defined in the Credit Agreement. The Company’s obligations under the Credit Agreement and such domestic subsidiaries’ guaranty obligations are secured by substantially all of their respective assets. The ranges of applicable rates charged for interest on outstanding loans and letters of credit are 125-250 basis point spread for letter of credit fees and loans based on the Eurodollar rate and 25-150 basis point spread for loans based on the base rate. The terms of the Credit Agreement include various covenants, including covenants that require the Company to maintain a maximum leverage ratio and a minimum interest coverage ratio. The Credit Agreement requires the Company to maintain a leverage ratio of no more than 3.0 to 1.0 for the trailing twelve months ended March 31, 2018 and each period thereafter. The Company is also required to maintain an interest coverage ratio of no less than 5.0 to 1.0. The Company is in compliance with all debt covenants as of March 31, 2018. At March 31, 2018, the Company had $22.0 million of unused availability under the Credit Agreement and $0.8 million of letters of credit which have not been drawn upon. On February 22, 2016, the Company entered into a Revolving Credit Facility (the “Facility”) with Bank of America N.A. to support ongoing working capital needs of the Company. The Facility includes a revolving commitment amount of $5.0 million whereby maturity dates vary based on each individual drawdown. Outstanding borrowings under the Facility are guaranteed by the Company’s assets. Borrowings and repayments are made in renminbi, the official Chinese currency. The applicable interest rate is 110% of the People’s Bank of China’s base rate. The terms of the Facility include limitations on use of funds for working capital purposes as well as customary representations and warranties made by the Company. At March 31, 2018, the Company had $4.2 million of unused availability under the Facility.

Revolving Credit Facilities

The Company entered into a Credit Agreement, dated as of August 2, 2010, subsequently amended most recently as of February 3, 2017, among the Company, the lenders party thereto and Bank of America, N.A., as Administrative Agent (the “Credit Agreement”). The amendment to the Credit Agreement enables InnerWorkings to participate in receivables sale agreements with certain customers' lenders. The Credit Agreement includes a revolving commitment amount of $175 million in the aggregate with a maturity date of September 25, 2019, and provides the Company the right to increase the aggregate commitment amount by an additional $50 million. Outstanding borrowings under the revolving credit facility are guaranteed by the Company’s material domestic subsidiaries, as defined in the Credit Agreement. The Company’s obligations under the Credit Agreement and such domestic subsidiaries’ guaranty obligations are secured by substantially all of their respective assets. The ranges of applicable rates charged for interest on outstanding loans and letters of credit are 125-250 basis point spread for letter of credit fees and loans based on the Eurodollar rate and 25-150 basis point spread for loans based on the base rate.

The terms of the Credit Agreement include various covenants, including covenants that require the Company to maintain a maximum leverage ratio and a minimum interest coverage ratio. The Credit Agreement requires the Company to maintain a leverage ratio of no more than 3.0 to 1.0 for the trailing twelve months ended March 31, 2018 and each period thereafter. The Company is also required to maintain an interest coverage ratio of no less than 5.0 to 1.0. The Company is in compliance with all debt covenants as of March 31, 2018.

At March 31, 2018, the Company had $22.0 million of unused availability under the Credit Agreement and $0.8 million of letters of credit which have not been drawn upon.

On February 22, 2016, the Company entered into a Revolving Credit Facility (the “Facility”) with Bank of America N.A. to support ongoing working capital needs of the Company. The Facility includes a revolving commitment amount of $5.0 million whereby maturity dates vary based on each individual drawdown. Outstanding borrowings under the Facility are guaranteed by the Company’s assets. Borrowings and repayments are made in renminbi, the official Chinese currency. The applicable interest rate is 110% of the People’s Bank of China’s base rate. The terms of the Facility include limitations on use of funds for working capital purposes as well as customary representations and warranties made by the Company. At March 31, 2018, the Company had $4.2 million of unused availability under the Facility.