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Stockholders' Equity - Additional Information (Detail) - $ / shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Stockholders Equity Note Disclosure [Line Items]          
Common stock, authorized capital (in shares) 60,000,000 60,000,000 60,000,000 60,000,000 60,000,000
Common stock, par value (in dollars per share) $ 0.01 $ 0.01 $ 0.01 $ 0.01 $ 0.01
Common stock, shares outstanding (in shares) 30,801,255 30,512,843      
Preferred stock, authorized capital (in shares) 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000
Preferred stock, par value (in dollars per shares) $ 0.01 $ 0.01 $ 0.01 $ 0.01 $ 0.01
Preferred stock, shares outstanding (in shares) 0 0 0 0 0
Restricted Stock          
Stockholders Equity Note Disclosure [Line Items]          
Antidilutive stock options excluded from earning per share (in shares) 0 55,000