Quarterly report pursuant to Section 13 or 15(d)

Unsecured Line of Credit Payable - Revolving Credit Facility Unused and Available Credit (Details)

v3.21.1
Unsecured Line of Credit Payable - Revolving Credit Facility Unused and Available Credit (Details) - USD ($)
Mar. 31, 2021
Dec. 31, 2020
Line of Credit Facility [Line Items]    
Borrowings outstanding $ (33,000,000) $ (42,000,000)
Revolving Credit Facility    
Line of Credit Facility [Line Items]    
Committed capacity 700,000,000.0  
Borrowings outstanding (33,000,000) $ (42,000,000)
Unused and available $ 667,000,000