Borrowings	12 Months Ended
Dec. 31, 2017
Debt Disclosure [Abstract]
Borrowings	Borrowings On October 24, 2014, the Company entered into a credit agreement that provided for a $50,000 revolving credit facility (the “Credit Facility”). On February 23, 2015, the Company increased the commitments under the Credit Facility by up to an additional $50,000. The Credit Facility had a maturity date of October 24, 2019 and was voluntarily pre-payable from time to time without premium or penalty. On November 21, 2017, the Company prepaid all outstanding amounts, including accrued interest and fees, and terminated all commitments, under the Credit Agreement. The Credit Facility carried an effective interest rate of 2.99% per annum during the year ended December 31, 2017. On November 21, 2017, the Company and each of the Company’s wholly owned material domestic subsidiaries entered into a Credit Agreement with certain lenders, and Citibank, N.A. as Administrative Agent (the “New Credit Agreement”). The New Credit Agreement provides for a $200,000 revolving credit facility (the “New Credit Facility”) with an option to increase the commitments by up to $100,000, subject to certain approvals and conditions as set forth in the New Credit Agreement. The New Credit Agreement also includes a letter of credit sub facility. The New Credit Facility has a maturity date of November 21, 2022 and is voluntarily pre-payable from time to time without premium or penalty. Borrowings under the New Credit Agreement were used to repay amounts outstanding under the Credit Facility and may otherwise be used for working capital and general corporate purposes, including permitted acquisitions. Depending on the type of borrowing, loans under the New Credit Agreement bear interest at a rate equal to the specified prime rate (alternate base rate) or adjusted LIBO rate, plus, in each case, an applicable margin. The applicable margin is tied to the Company’s total net leverage ratio and ranges from 0.00% to 0.75% per annum with respect to loans pegged to the specified prime rate, and 1.00% to 1.75% per annum on loans pegged to the adjusted LIBO rate. The revolving credit commitments under the New Credit Agreement are subject to a commitment fee which is also tied to the Company’s total net leverage ratio, and ranges from 0.15% to 0.30% per annum on the average daily amount by which the aggregate revolving commitments exceed the sum of outstanding revolving loans and letter of credit obligations. The New Credit Facility carried an effective interest rate of 3.5% per annum during the year ended December 31, 2017. Obligations under the New Credit Agreement are guaranteed by the Company’s material domestic subsidiaries and are secured by all or substantially all of the assets of the Company and our material domestic subsidiaries. The New Credit Agreement contains affirmative and negative covenants, including, but not limited to, restrictions on the ability to incur indebtedness, create liens, make certain investments, make certain dividends and related distributions, enter into, or undertake, certain liquidations, mergers, consolidations or acquisitions and dispose of assets or subsidiaries. In addition, the New Credit Agreement contains a covenant to not permit the interest coverage ratio or the total net leverage ratio, both as defined for the four consecutive quarter period ending on the last day of each fiscal quarter, to be less than 3.5 to 1.0 or more than 3.0 to 1.0, respectively. At December 31, 2017, the Company was in compliance with all financial and non - financial covenants listed under the New Credit Agreement. As of December 31, 2017, we had an outstanding debt of $60,000 of which $10,000 is expected to be repaid within the next twelve months and is included under "current portion of long-term borrowings" and the balance of $50,000 is included under "long-term borrowings" in the consolidated balance sheets. In connection with the New Credit Agreement, the Company incurred issuance cost of $790 which are deferred and amortized as an adjustment to interest expense over the term of the New Credit Facility. The unamortized debt issuance costs as of December 31, 2017 and December 31, 2016 was $773 and $272, respectively and is included under "other current assets" and “other assets” in the consolidated balance sheets. Borrowings also includes structured payables which are in the nature of debt, amounting to $709, of which $318 and $391 is included under "current portion of long-term borrowings" and "long-term borrowings", respectively in the consolidated balance sheet as of December 31, 2017.

Borrowings

On October 24, 2014, the Company entered into a credit agreement that provided for a $50,000 revolving credit facility (the “Credit Facility”). On February 23, 2015, the Company increased the commitments under the Credit Facility by up to an additional $50,000. The Credit Facility had a maturity date of October 24, 2019 and was voluntarily pre-payable from time to time without premium or penalty. On November 21, 2017, the Company prepaid all outstanding amounts, including accrued interest and fees, and terminated all commitments, under the Credit Agreement. The Credit Facility carried an effective interest rate of 2.99% per annum during the year ended December 31, 2017.

On November 21, 2017, the Company and each of the Company’s wholly owned material domestic subsidiaries entered into a Credit Agreement with certain lenders, and Citibank, N.A. as Administrative Agent (the “New Credit Agreement”). The New Credit Agreement provides for a $200,000 revolving credit facility (the “New Credit Facility”) with an option to increase the commitments by up to $100,000, subject to certain approvals and conditions as set forth in the New Credit Agreement. The New Credit Agreement also includes a letter of credit sub facility. The New Credit Facility has a maturity date of November 21, 2022 and is voluntarily pre-payable from time to time without premium or penalty. Borrowings under the New Credit Agreement were used to repay amounts outstanding under the Credit Facility and may otherwise be used for working capital and general corporate purposes, including permitted acquisitions.

Depending on the type of borrowing, loans under the New Credit Agreement bear interest at a rate equal to the specified prime rate (alternate base rate) or adjusted LIBO rate, plus, in each case, an applicable margin. The applicable margin is tied to the Company’s total net leverage ratio and ranges from 0.00% to 0.75% per annum with respect to loans pegged to the specified prime rate, and 1.00% to 1.75% per annum on loans pegged to the adjusted LIBO rate. The revolving credit commitments under the New Credit Agreement are subject to a commitment fee which is also tied to the Company’s total net leverage ratio, and ranges from 0.15% to 0.30% per annum on the average daily amount by which the aggregate revolving commitments exceed the sum of outstanding revolving loans and letter of credit obligations. The New Credit Facility carried an effective interest rate of 3.5% per annum during the year ended December 31, 2017.

Obligations under the New Credit Agreement are guaranteed by the Company’s material domestic subsidiaries and are secured by all or substantially all of the assets of the Company and our material domestic subsidiaries. The New Credit Agreement contains affirmative and negative covenants, including, but not limited to, restrictions on the ability to incur indebtedness, create liens, make certain investments, make certain dividends and related distributions, enter into, or undertake, certain liquidations, mergers, consolidations or acquisitions and dispose of assets or subsidiaries. In addition, the New Credit Agreement contains a covenant to not permit the interest coverage ratio or the total net leverage ratio, both as defined for the four consecutive quarter period ending on the last day of each fiscal quarter, to be less than 3.5 to 1.0 or more than 3.0 to 1.0, respectively. At December 31, 2017, the Company was in compliance with all financial and non - financial covenants listed under the New Credit Agreement.

As of December 31, 2017, we had an outstanding debt of $60,000 of which $10,000 is expected to be repaid within the next twelve months and is included under "current portion of long-term borrowings" and the balance of $50,000 is included under "long-term borrowings" in the consolidated balance sheets.

In connection with the New Credit Agreement, the Company incurred issuance cost of $790 which are deferred and amortized as an adjustment to interest expense over the term of the New Credit Facility. The unamortized debt issuance costs as of December 31, 2017 and December 31, 2016 was $773 and $272, respectively and is included under "other current assets" and “other assets” in the consolidated balance sheets.

Borrowings also includes structured payables which are in the nature of debt, amounting to $709, of which $318 and $391 is included under "current portion of long-term borrowings" and "long-term borrowings", respectively in the consolidated balance sheet as of December 31, 2017.