Annual report [Section 13 and 15(d), not S-K Item 405]

Related Party Transactions - Additional Information (Detail)

v3.26.1
Related Party Transactions - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2025
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Related Party Transaction [Line Items]                      
Income from fees $ 31,959 $ 31,295 $ 30,673 $ 31,392 $ 31,962 $ 30,424 $ 30,993 $ 30,272 $ 125,319 $ 123,651 $ 117,410
Receivable from partners 11,788       12,225       11,788 12,225  
Management and Advisory Fees                      
Related Party Transaction [Line Items]                      
Income from fees                 120,552 119,316 112,794
Affiliated Entity                      
Related Party Transaction [Line Items]                      
Other receivables $ 326       $ 945       $ 326 $ 945  
Other Receivable, after Allowance for Credit Loss, Related Party [Extensible Enumeration] us-gaap:RelatedPartyMember       us-gaap:RelatedPartyMember       us-gaap:RelatedPartyMember us-gaap:RelatedPartyMember  
Receivable from partners $ 161       $ 98       $ 161 $ 98  
Accounts Receivable, after Allowance for Credit Loss, Related Party [Extensible Enumeration] us-gaap:RelatedPartyMember       us-gaap:RelatedPartyMember       us-gaap:RelatedPartyMember us-gaap:RelatedPartyMember  
Affiliated Entity | Equity Income from Investments                      
Related Party Transaction [Line Items]                      
Income from performance fees and allocations                 $ 874 $ 1,129 0
Affiliated Entity | Management Fees                      
Related Party Transaction [Line Items]                      
Income from fees                 3,703 4,070 4,068
Affiliated Entity | Management and Advisory Fees                      
Related Party Transaction [Line Items]                      
Income from fees                 $ 1,920 $ 1,856 $ 1,652
Affiliated Entity | Minimum                      
Related Party Transaction [Line Items]                      
Management and advisory fees percentage                 0.00%    
Percentage of performance fees                 0.00%    
Affiliated Entity | Maximum                      
Related Party Transaction [Line Items]                      
Management and advisory fees percentage                 1.75%    
Percentage of performance fees                 10.00%