Annual report pursuant to Section 13 and 15(d)

Earnings Per Share - Basic (Detail)

v3.10.0.1
Earnings Per Share - Basic (Detail) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Numerator    
Net income attributable to common shareholders $ 50,791 $ 26,040
Denominator    
Weighted average number of basic common shares outstanding (in shares) 45,605,845 41,550,293
Net income per basic common share attributable to common stockholders (in dollars per share) $ 1.11 $ 0.63