Guarantees	12 Months Ended
Dec. 31, 2018
Guarantees [Abstract]
Guarantees	Guarantees The Company has issued cash collateralized bank guarantees and letter of credit backed bank guarantees supporting certain obligations, primarily the payment of office lease obligations and business license requirements for certain of its subsidiaries in Europe and Asia Pacific. The bank guarantees were made to secure the respective agreements and are for the terms of the agreements, which extend through 2024. For each bank guarantee issued, the Company would have to perform under the guarantee if the subsidiary defaults on a lease payment. The maximum amount of undiscounted payments the Company would be required to make in the event of default on all outstanding bank guarantees is approximately $2.6 million as of December 31, 2018. The Company has not accrued for these arrangements as no event of default exists or is expected to exist.

Guarantees

12 Months Ended

Dec. 31, 2018

The Company has issued cash collateralized bank guarantees and letter of credit backed bank guarantees supporting certain obligations, primarily the payment of office lease obligations and business license requirements for certain of its subsidiaries in Europe and Asia Pacific. The bank guarantees were made to secure the respective agreements and are for the terms of the agreements, which extend through 2024. For each bank guarantee issued, the Company would have to perform under the guarantee if the subsidiary defaults on a lease payment. The maximum amount of undiscounted payments the Company would be required to make in the event of default on all outstanding bank guarantees is approximately $2.6 million as of December 31, 2018. The Company has not accrued for these arrangements as no event of default exists or is expected to exist.