XML 67 R52.htm IDEA: XBRL DOCUMENT v3.22.1
Significant Accounting Policies - Summary of Reclassifications to Conform to the Current Year's Consolidated Financial Statement Presentation (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Operating Expenses:    
Total operating expenses $ 60,679 $ 52,649
Previously Reported [Member]    
Operating Revenues:    
Total revenues   72,830
Operating Expenses:    
Total operating expenses   54,223
Previously Reported [Member] | Advisory Fees [Member]    
Operating Revenues:    
Total revenues   71,616
Previously Reported [Member] | Fund Management And Administration [Member]    
Operating Expenses:    
Total operating expenses   15,521
Adjustment [Member]    
Operating Revenues:    
Amounts collected on behalf of third parties   (1,574)
Operating Expenses:    
Amounts collected on behalf of third parties   (1,574)
Adjustment [Member] | Advisory Fees [Member]    
Operating Revenues:    
Amounts collected on behalf of third parties   (1,574)
Operating Expenses:    
Amounts collected on behalf of third parties   (1,574)
As Corrected [Member]    
Operating Revenues:    
Total revenues   71,256
Operating Expenses:    
Total operating expenses   52,649
As Corrected [Member] | Advisory Fees [Member]    
Operating Revenues:    
Total revenues   70,042
As Corrected [Member] | Fund Management And Administration [Member]    
Operating Expenses:    
Total operating expenses   $ 13,947