Stockholders' Equity and Share-Based Compensation - Summary of Option Activity for Stock Options With Market Condition Vesting (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Shares, Granted	0	0	0
Market Based Vesting Conditions [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Shares, Outstanding, Beginning Balance	100,000
Shares, Granted	0
Shares, Expired	(26,666)
Shares, Forfeited	0
Shares, Outstanding, Ending Balance	73,334	100,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Weighted Average Exercise Price, Outstanding, Beginning Balance	$ 25.95
Weighted Average Exercise Price, Granted	0.00
Weighted Average Exercise Price, Forfeited	25.95
Weighted Average Exercise Price, Outstanding, Ending Balance	$ 25.95	$ 25.95
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	$ 76
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Shares, Exercisable	40,000
Shares, Expected to vest	0
Weighted Average Exercise Price, Exercisable	$ 25.95
Weighted Average Exercise Price, Expected to vest	$ 0.00
Weighted Average Remaining Contractual Life (Yrs.), Outstanding	1 year 3 months 10 days	2 years 3 months 10 days
Weighted Average Remaining Contractual Life (Yrs.), Exercisable	1 year 3 months 10 days
Weighted Average Remaining Contractual Life (Yrs.), Expected to vest	0 years
Aggregate Intrinsic Value, Outstanding	$ 0	$ 32
Aggregate Intrinsic Value, Exercisable	0
Aggregate Intrinsic Value, Expected to vest	$ 0