Income Taxes - Schedule of Components of the Income Tax Provision (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Current:
Federal	$ 0	$ 0	$ 0
State	74	25	63
Total current provision	74	25	63
Deferred:
Federal	547	547	540
State	34	34	37
Total deferred provision	581	581	577
Total income tax provision	$ 655	$ 606	$ 640