Income Taxes - Provision (Benefit) for Income Taxes (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Current:
Federal	$ 0	$ 0
State	(45)	(12)
Total Current	(45)	(12)
Deferred:
Federal	323	(785)
State	122	(125)
Total Deferred	445	(910)
Provision (benefit) for income taxes	$ 400	$ (922)

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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