Quarterly report pursuant to Section 13 or 15(d)

Equity - Summary of Common and Preferred Units Issued and Repurchased (Detail)

v3.21.2
Equity - Summary of Common and Preferred Units Issued and Repurchased (Detail) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2021
Mar. 31, 2021
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2021
Common Equity [Member]          
Class of Stock [Line Items]          
Balance Beginning 769,273 769,354 712,504 720,740 769,354
Grants       175  
Forfeitures (375) (40)   (375)  
Repurchases (666) (41) (1,081) (8,036)  
Balance Ending 768,232 769,273 711,423 712,504 768,232
Preferred Equity [Member]          
Class of Stock [Line Items]          
Balance Beginning 74,990 74,990     74,990
Forfeitures      
Repurchases      
Balance Ending 74,990 74,990     74,990
Common Class A [Member] | Common Equity [Member]          
Class of Stock [Line Items]          
Balance Beginning 693,795 693,876 647,150 655,386 693,876
Grants       175  
Forfeitures (375) (40)   (375)  
Repurchases (666) (41) (1,081) (8,036)  
Balance Ending 692,754 693,795 646,069 647,150 692,754
Common Class B [Member] | Common Equity [Member]          
Class of Stock [Line Items]          
Balance Beginning 75,478 75,478 65,354 65,354 75,478
Grants        
Forfeitures    
Repurchases  
Balance Ending 75,478 75,478 65,354 65,354 75,478
Common Class B [Member] | Preferred Equity [Member]          
Class of Stock [Line Items]          
Balance Beginning 74,990 74,990     74,990
Forfeitures      
Repurchases      
Balance Ending 74,990 74,990     74,990