XML 59 R44.htm IDEA: XBRL DOCUMENT v3.21.1
Summary of Significant Accounting Policies - Accounts Receivable (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]    
Change in estimate of uncollectable revenues $ 6,486 $ 2,312
Accounts Receivable    
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]    
Change in estimate of uncollectable revenues 6,486 3,780
Straight line rent receivables $ 1,679 $ 1,469