Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Allowance for Credit Loss Activity (Details)

v3.20.1
Summary of Significant Accounting Policies - Allowance for Credit Loss Activity (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Off-Balance Sheet, Credit Loss, Exposure, Credit Loss Expense (Reversal) Allowance for Credit Loss [Roll Forward]    
December 31, 2019 $ 0  
Cumulative effect of change for adoption of credit loss guidance (1,340)  
Credit loss expense 769  
March 31, 2020 (2,109)  
Credit Losses, Financial Assets and Other Instruments [Roll Forward]    
December 31, 2019 (97)  
Cumulative effect of change for adoption of credit loss guidance (5,541)  
Credit loss expense 689 $ 0
March 31, 2020 (6,327)  
Investing Receivables    
Financing Receivable, Allowance for Credit Loss [Roll Forward]    
December 31, 2019 0  
Cumulative effect of change for adoption of credit loss guidance (3,732)  
Credit loss expense 134  
March 31, 2020 (3,598)  
Tenant Notes Receivables    
Financing Receivable, Allowance for Credit Loss [Roll Forward]    
December 31, 2019 (97)  
Cumulative effect of change for adoption of credit loss guidance (325)  
Credit loss expense 23  
March 31, 2020 (399)  
Other Assets    
Accounts Receivable, Allowance for Credit Loss [Roll Forward]    
December 31, 2019 0  
Cumulative effect of change for adoption of credit loss guidance (144)  
Credit loss expense (77)  
March 31, 2020 (221)  
Accounts receivable, allowance for credit loss 221  
Accounts Receivable, Net | Other Assets    
Accounts Receivable, Allowance for Credit Loss [Roll Forward]    
March 31, 2020 (181)  
Accounts receivable, allowance for credit loss 181  
Prepaid Expenses and Other Assets, Net | Other Assets    
Accounts Receivable, Allowance for Credit Loss [Roll Forward]    
March 31, 2020 (40)  
Accounts receivable, allowance for credit loss $ 40