Subsequent Events	12 Months Ended
Dec. 31, 2019
Subsequent Events [Abstract]
Subsequent Events	Subsequent EventsIn January 2020, we acquired a developer of a robotic process automation platform for $7.0 million. The acquisition will be accounted for under the acquisition method of accounting with the operations of the newly acquired entity included in our operating results from the date of acquisition. The Company entered into the Lease Second Amendment, effective as of January 1, 2020, which modified the Lease for the Company’s headquarters in Tysons, Virginia. Under the Lease Second Amendment, the Company exercised an option to expand its lease to the Fourth Floor, adding approximately 34,158 square feet to the premises. The Company will commence occupancy of the Fourth Floor on the sooner of the completion of certain improvements to the Fourth Floor and October 14, 2020. The monthly base rent for the Fourth Floor will be $87,388 for the first 27 months of the lease term, subject to periodic increases thereafter.

Subsequent Events

12 Months Ended

Dec. 31, 2019

Subsequent EventsIn January 2020, we acquired a developer of a robotic process automation platform for $7.0 million. The acquisition will be accounted for under the acquisition method of accounting with the operations of the newly acquired entity included in our operating results from the date of acquisition. The Company entered into the Lease Second Amendment, effective as of January 1, 2020, which modified the Lease for the Company’s headquarters in Tysons, Virginia. Under the Lease Second Amendment, the Company exercised an option to expand its lease to the Fourth Floor, adding approximately 34,158 square feet to the premises. The Company will commence occupancy of the Fourth Floor on the sooner of the completion of certain improvements to the Fourth Floor and October 14, 2020. The monthly base rent for the Fourth Floor will be $87,388 for the first 27 months of the lease term, subject to periodic increases thereafter.