Stockholders' Equity - Additional Information (Detail) - $ / shares	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Stockholders Equity Note Disclosure [Line Items]
Common stock, shares authorized (in shares)	60,000,000	60,000,000		60,000,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01		$ 0.01
Common Stock, Shares, Outstanding	30,581,274	30,581,274		30,512,843
Common stock, shares issued (in shares)	30,581,274	30,581,274		30,512,843
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000		5,000,000
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01		$ 0.01
Preferred stock, shares outstanding (in shares)	0	0		0
Restricted Stock
Stockholders Equity Note Disclosure [Line Items]
Antidilutive stock excluded from earning per share (in shares)	0	17,712	0