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Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Operating Loss Carryforwards [Line Items]
Provisions (benefit) for income taxes	$ (610)	$ 4,181
Percentage of pre-tax income (loss)	4.00%	39.00%
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Portion of state NOL carryforwards, not able to be utilized before expiration	$ 3,700

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Operating loss carryforwards not able to be utilized before expiration.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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-Name Accounting Standards Codification
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