Annual report pursuant to Section 13 and 15(d)

Joint Venture (Detail)

v3.10.0.1
Joint Venture (Detail) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Nov. 30, 2017
Equity Method Investments and Joint Ventures [Abstract]      
Partnership interest 50.00%   50.00%
Investment in joint venture $ 400 $ 0  
Earnings from investment in joint venture $ 1,259 $ 0