Accrued Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Payables and Accruals [Abstract]
Accrued data center equipment purchases	$ 4,158	$ 3,228
Accrued data center software purchases	773	1,483
Accrued transaction processing fees	1,572	1,537
Accrued professional services	1,325	730
Customer deposit liability	808	0
Other	2,683	1,807
Total accrued liabilities	$ 11,319	$ 8,785