Income Taxes- Schedule of Reconciliation of Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Balance at the beginning of the year	$ 3,019	$ 532	$ 200
Additions based on tax positions related to current year	(2,312)	2,473	60
Adjustment based on submitted prior year tax returns	(41)	14	272
Balance at end of the year	$ 666	$ 3,019	$ 532