Annual report pursuant to Section 13 and 15(d)

Employee Benefits Plans - Summary of Roll-forward of the MSP Benefit Obligation (Details)

v3.10.0.1
Employee Benefits Plans - Summary of Roll-forward of the MSP Benefit Obligation (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2016
Change in projected benefit obligation:      
Benefit obligation at beginning of year $ 4,438 $ 4,543  
Service cost 0 200 $ 213
Interest cost 293 140 210
Benefits paid (350) (367)  
Recognized actuarial gain (loss) adjustment 16 (78) (5)
Benefit obligation at end of year 4,397 4,438 $ 4,543
Funded status at end of year $ (4,397) $ (4,438)