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Variable Interest Entities - Textual (Details) - VIE - entity
6 Months Ended 12 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Variable Interest Entity [Line Items]    
Number of consolidated limited partnership-like entities 10 9
Minimum    
Variable Interest Entity [Line Items]    
Ownership interest in consolidated entities (percent) 50.00%  
Maximum    
Variable Interest Entity [Line Items]    
Ownership interest in consolidated entities (percent) 90.00%