Quarterly report pursuant to Section 13 or 15(d)

Credit Losses, Financial Assets and Other Instruments (Credit Risk Classification) (Details)

v3.21.1
Credit Losses, Financial Assets and Other Instruments (Credit Risk Classification) (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Investing Receivables    
Financing Receivable, Credit Quality Indicator [Line Items]    
2016 and Earlier $ 65,884  
2017 994  
2018 0  
2019 6,041  
2020 992  
Total 73,911 $ 71,605
Investing Receivables | Investment grade    
Financing Receivable, Credit Quality Indicator [Line Items]    
2016 and Earlier 65,884  
2017 994  
2018 0  
2019 0  
2020 992  
Total 67,870  
Investing Receivables | Non-investment grade    
Financing Receivable, Credit Quality Indicator [Line Items]    
2016 and Earlier 0  
2017 0  
2018 0  
2019 6,041  
2020 0  
Total 6,041  
Tenant Notes Receivables    
Financing Receivable, Credit Quality Indicator [Line Items]    
2016 and Earlier 97  
2017 157  
2018 1,153  
2019 1,870  
2020 2,151  
Total 5,428  
Tenant Notes Receivables | Investment grade    
Financing Receivable, Credit Quality Indicator [Line Items]    
2016 and Earlier 0  
2017 7  
2018 997  
2019 80  
2020 326  
Total 1,410  
Tenant Notes Receivables | Non-investment grade    
Financing Receivable, Credit Quality Indicator [Line Items]    
2016 and Earlier 97  
2017 150  
2018 156  
2019 1,790  
2020 1,825  
Total 4,018  
Sales-Type Lease Receivables | Investment grade    
Financing Receivable, Credit Quality Indicator [Line Items]    
2016 and Earlier 0  
2017 0  
2018 0  
2019 0  
2020 6,507  
Total $ 6,507