XML 40 R30.htm IDEA: XBRL DOCUMENT v3.20.2
Summary of Significant Accounting Policies (Tables)
9 Months Ended
Jun. 30, 2020
Accounting Policies [Abstract]  
Realized gains (losses) on derivatives not designated as hedging instruments

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Three Months Ended

​

Nine Months Ended

​

​

​

June 30, 

​

June 30, 

​

​

    

2020

    

2019

    

2020

    

2019

    

Realized (losses) gains on derivatives not designated as hedging instruments

​

$

(1,719)

​

$

3,770

​

$

(963)

​

$

2,916

​