Annual report pursuant to Section 13 and 15(d)

Our Portfolio - Receivables and Investments, Additional Information (Details)

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Our Portfolio - Receivables and Investments, Additional Information (Details)
1 Months Ended 3 Months Ended 12 Months Ended
Jan. 31, 2018
USD ($)
Jun. 30, 2017
project
Dec. 31, 2019
USD ($)
receivable
Dec. 31, 2018
USD ($)
Sep. 30, 2019
USD ($)
Financing Receivable, Past Due [Line Items]          
Financing receivables on non accrual status     $ 0 $ 0  
Number of projects that became past due | project   2      
Allowance for credit losses     0 0  
Loan modifications that qualify as troubled debt restructurings     $ 0 $ 0  
Commercial | Commercial Non-Investment Grade          
Financing Receivable, Past Due [Line Items]          
Number of receivables | receivable     2    
Financing receivables on non accrual status         $ 8,000,000
Land          
Financing Receivable, Past Due [Line Items]          
Proceeds from lease payments $ 1,600,000