Accounts Receivable, Net - Schedule of Changes in Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Accounts Receivable Net [Abstract]
Balance, beginning of period	$ 422	$ 357	$ 381	$ 282
Additions	8	242	95	331
Write-offs	(33)	(121)	(79)	(135)
Balance, end of period	$ 397	$ 478	$ 397	$ 478