Investments - Schedule of Available-For-Sale Investment Maturities (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Amortized Cost
Due in less than 1 year	$ 27,517	$ 11,851
Due in 1-5 years	37,332	0
Due in 6-10 years	0	0
Total	64,849	11,851
Fair Value
Due in less than 1 year	27,535	11,839
Due in 1-5 years	37,384	0
Due in 6-10 years	0	0
Total	$ 64,919	$ 11,839