XML 80 R68.htm IDEA: XBRL DOCUMENT v3.20.2
Commitments and Contingencies (Details) - USD ($)
Sep. 30, 2020
Nov. 15, 2019
Nov. 14, 2019
Aug. 30, 2019
Line of Credit Facility [Line Items]        
Estimate of possible loss $ 20,800,000      
Line of Credit        
Line of Credit Facility [Line Items]        
Line of credit facility, maximum borrowing capacity       $ 200,000,000.0
Line of credit facility, current borrowing capacity   $ 100,000,000.0 $ 200,000,000.0  
Line of credit facility, amount outstanding $ 0