Debt	12 Months Ended
Dec. 31, 2015
Debt Disclosure [Abstract]
Debt	7. Debt In November 2014, we repaid all amounts outstanding under our credit agreement, dated August 29, 2013, with Silicon Valley Bank, as administrative agent, and the lenders and other agents party thereto (the “Credit Agreement”) and terminated the Credit Agreement and the related Guarantee and Collateral Agreement. The Credit Agreement had provided for a $100.0 million senior secured term loan facility (the “Term Loan Facility”) and a $125.0 million senior secured revolving loan facility (the “Revolving Loan Facility”), each of which was scheduled to mature on August 29, 2018. At the time of termination, there was approximately $73.8 million outstanding under the Term Loan Facility, no principal balance outstanding under the Revolving Loan Facility and an outstanding standby letter of credit with a face amount of approximately $1.4 million. We used cash on hand to pay all outstanding principal, interest and other amounts owing under the Credit Agreement as of the termination date and to cash collateralize the outstanding standby letter of credit. In connection with entering into the Credit Agreement in August 2013, we incurred debt issuance costs of $1.9 million. Debt issuance costs are capitalized and amortized into interest expense over the term of the underlying debt. Due to the repayment in full of all amounts under the credit facility in November 2014, there were no amortized deferred debt issuance costs during 2015. During the year ended December 31, 2014 and 2013, we amortized $0.5 million and $0.2 million, respectively of deferred debt issuance costs. In connection with the termination of the Credit Agreement, we recorded a non-cash expense of $1.7 million from the acceleration of unamortized debt issuance costs during the year ended December 31, 2014.

Debt

12 Months Ended

Dec. 31, 2015

7. Debt

In November 2014, we repaid all amounts outstanding under our credit agreement, dated August 29, 2013, with Silicon Valley Bank, as administrative agent, and the lenders and other agents party thereto (the “Credit Agreement”) and terminated the Credit Agreement and the related Guarantee and Collateral Agreement. The Credit Agreement had provided for a $100.0 million senior secured term loan facility (the “Term Loan Facility”) and a $125.0 million senior secured revolving loan facility (the “Revolving Loan Facility”), each of which was scheduled to mature on August 29, 2018. At the time of termination, there was approximately $73.8 million outstanding under the Term Loan Facility, no principal balance outstanding under the Revolving Loan Facility and an outstanding standby letter of credit with a face amount of approximately $1.4 million. We used cash on hand to pay all outstanding principal, interest and other amounts owing under the Credit Agreement as of the termination date and to cash collateralize the outstanding standby letter of credit.

In connection with entering into the Credit Agreement in August 2013, we incurred debt issuance costs of $1.9 million. Debt issuance costs are capitalized and amortized into interest expense over the term of the underlying debt. Due to the repayment in full of all amounts under the credit facility in November 2014, there were no amortized deferred debt issuance costs during 2015. During the year ended December 31, 2014 and 2013, we amortized $0.5 million and $0.2 million, respectively of deferred debt issuance costs. In connection with the termination of the Credit Agreement, we recorded a non-cash expense of $1.7 million from the acceleration of unamortized debt issuance costs during the year ended December 31, 2014.