Acquisition - Additional Information (Details) - Skycross, Inc. - USD ($) $ in Millions		3 Months Ended
	Dec. 17, 2015	Mar. 31, 2017
Business Acquisition [Line Items]
Date of asset purchase agreement		Dec. 17, 2015
Business acquisition up front payment	$ 4.0
Business combination, contingent consideration arrangements, description		The $1.0 million of deferred consideration is payable upon the later of (i) the expiration of the Transition Services Agreement between the Company and Skycross which defines transition services to be provided by Skycross to the Company and (ii) the date on which the Company has received copies of third party approvals with respect to each customer and program that was purchased.
Contingent consideration arrangement	1.0
Amount to be paid under contingent consideration arrangements, value, low	0.0
Amount to be paid under contingent consideration arrangements, value, high	$ 1.0