Subsequent Events	3 Months Ended
Mar. 31, 2019
Subsequent Events [Abstract]
Subsequent Events	15. SUBSEQUENT EVENTS Lease Agreement On April 30, 2019, the Company. entered into an Assignment and Assumption of Lease, Landlord’s Consent and First Amendment of Lease (the “Assignment Agreement”) with 8x8, Inc. (the “Assignor”) and CAP Phase I, LLC (the “Landlord”). Pursuant to the Assignment Agreement, the Assignor assigned to the Company all of its right, title and interest in and to that certain lease dated January 23, 2018, by and between the Landlord and Assignor (the “Lease”) with respect to the office space located at 1143 Coleman Avenue, San Jose, California (the “Premises”). The Premises consists of approximately 162,557 rentable square feet of office space in a five (5) story office building. The Assignment Agreement allows the Company to have exclusive possession of the premises commencing on January 1, 2021 and continuing for the remainder of the lease term through December 31, 2029, with one five-year option to extend the lease term under the Lease. The Company has obtained a letter of credit in the aggregate amount of approximately $4.1 million to secure certain of the Company’s obligations under the Assignment Agreement and the Lease. Credit Agreement On February 19, 2019, the Company entered into a Credit Agreement (the “Existing Credit Agreement”) with Morgan Stanley Senior Funding, Inc. (“MSSF”). On May 3, 2019, the Existing Credit Agreement was amended pursuant to an Incremental Assumption and Amendment No. 1 (the “Amendment” and the Existing Credit Agreement as amended by the Amendment, the “Credit Agreement”). The Amendment increased the level of commitments the Company received by $25.0 million in aggregate principal amount of new term loan commitments and $25.0 million in aggregate principal amount of new revolving commitments on the same terms as the respective existing facilities under the Existing Credit Agreement. The Credit Agreement now provides for (i) a four-year revolving credit facility in the aggregate principal amount of up to $100.0 million and a four-year delayed draw term loan A facility in the aggregate principal amount of up to $100.0 million.

Subsequent Events

3 Months Ended

Mar. 31, 2019

15. SUBSEQUENT EVENTS

Lease Agreement

On April 30, 2019, the Company. entered into an Assignment and Assumption of Lease, Landlord’s Consent and First Amendment of Lease (the “Assignment Agreement”) with 8x8, Inc. (the “Assignor”) and CAP Phase I, LLC (the “Landlord”). Pursuant to the Assignment Agreement, the Assignor assigned to the Company all of its right, title and interest in and to that certain lease dated January 23, 2018, by and between the Landlord and Assignor (the “Lease”) with respect to the office space located at 1143 Coleman Avenue, San Jose, California (the “Premises”). The Premises consists of approximately 162,557 rentable square feet of office space in a five (5) story office building. The Assignment Agreement allows the Company to have exclusive possession of the premises commencing on January 1, 2021 and continuing for the remainder of the lease term through December 31, 2029, with one five-year option to extend the lease term under the Lease. The Company has obtained a letter of credit in the aggregate amount of approximately $4.1 million to secure certain of the Company’s obligations under the Assignment Agreement and the Lease.

Credit Agreement

On February 19, 2019, the Company entered into a Credit Agreement (the “Existing Credit Agreement”) with Morgan Stanley Senior Funding, Inc. (“MSSF”). On May 3, 2019, the Existing Credit Agreement was amended pursuant to an Incremental Assumption and Amendment No. 1 (the “Amendment” and the Existing Credit Agreement as amended by the Amendment, the “Credit Agreement”). The Amendment increased the level of commitments the Company received by $25.0 million in aggregate principal amount of new term loan commitments and $25.0 million in aggregate principal amount of new revolving commitments on the same terms as the respective existing facilities under the Existing Credit Agreement. The Credit Agreement now provides for (i) a four-year revolving credit facility in the aggregate principal amount of up to $100.0 million and a four-year delayed draw term loan A facility in the aggregate principal amount of up to $100.0 million.