Debt	9 Months Ended
Sep. 30, 2018
Debt Disclosure [Abstract]
Debt	Debt At both September 30, 2018 and December 31, 2017, we had $2.8 million in letters of credit outstanding. Credit Facility We had a $100.0 million revolving credit facility with certain financial institutions, including up to $20.0 million in letters of credit and up to $10.0 million in swingline loans, which matured in August 2018. During the fourth quarter of 2018, we entered into a new credit facility. Please see Note 16—Subsequent Events for further discussion. Citibank Credit Facility In 2016, we entered into a three-year credit facility with Citibank N.A., UAE Branch in the amount of $6.0 million for the issuance of standby letters of credit and guarantees. The credit facility also allows for open ended guarantees. Outstanding amounts under the credit facility bear interest of 1.25% per annum for amounts outstanding up to one year. Amounts outstanding more than one year bear interest at 1.5% per annum. As of September 30, 2018 and December 31, 2017, we had $2.3 million and $2.6 million, respectively, in letters of credit outstanding. Insurance Notes Payable In 2017, we entered into three notes to finance our annual insurance premiums totaling $5.1 million. The notes bear interest at an annual rate of 2.9% with a final maturity date in October 2018. At September 30, 2018 and December 31, 2017, the total outstanding balance was $0.4 million and $4.7 million, respectively.

Debt

At both September 30, 2018 and December 31, 2017, we had $2.8 million in letters of credit outstanding.

Credit Facility

We had a $100.0 million revolving credit facility with certain financial institutions, including up to $20.0 million in letters of credit and up to $10.0 million in swingline loans, which matured in August 2018.

During the fourth quarter of 2018, we entered into a new credit facility. Please see Note 16—Subsequent Events for further discussion.

Citibank Credit Facility

In 2016, we entered into a three-year credit facility with Citibank N.A., UAE Branch in the amount of $6.0 million for the issuance of standby letters of credit and guarantees. The credit facility also allows for open ended guarantees. Outstanding amounts under the credit facility bear interest of 1.25% per annum for amounts outstanding up to one year. Amounts outstanding more than one year bear interest at 1.5% per annum. As of September 30, 2018 and December 31, 2017, we had $2.3 million and $2.6 million, respectively, in letters of credit outstanding.

Insurance Notes Payable

In 2017, we entered into three notes to finance our annual insurance premiums totaling $5.1 million. The notes bear interest at an annual rate of 2.9% with a final maturity date in October 2018. At September 30, 2018 and December 31, 2017, the total outstanding balance was $0.4 million and $4.7 million, respectively.