Annual report pursuant to Section 13 and 15(d)

Cash, Cash Equivalents, and Short-term Investments - Investments Classified by Contractual Maturity Date (Details)

v3.6.0.2
Cash, Cash Equivalents, and Short-term Investments - Investments Classified by Contractual Maturity Date (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Cash and Cash Equivalents [Abstract]    
Due in one year or less $ 21,655 $ 0
Due after one year through five years 12,364 0
Total short-term investment $ 34,019 $ 0