Earnings Per Share - Additional Information (Detail) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Earnings Per Share [Abstract]
Antidilutive securities excluded from earnings per share computation, shares	2,000,000	3,000,000	2,000,000	3,000,000
Antidilutive securities included from diluted weighted average shares computation, shares	3,674,574	10,461,669	2,496,734	40,900,000