v3.25.2
Equity Method Investments - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Schedule of Equity Method Investments [Line Items]          
Equity method investments $ 27,157   $ 27,157   $ 31,045
Equity method investment difference between carrying amount and underlying equity 0 $ 1,000 0 $ 1,000  
Net amortization of basis difference equity method investments   100   300  
Impairment of equity investment $ 500 $ 0 $ 507 $ 0  
AB Commercial Real Estate Debt Fund AB Cred Two [Member]          
Schedule of Equity Method Investments [Line Items]          
Equity method investment ownership percentage 7.12%   7.12%    
Equity method investments $ 3,300   $ 3,300   3,700
AB Commercial Real Estate Debt Fund AB Cred Three [Member]          
Schedule of Equity Method Investments [Line Items]          
Equity method investment ownership percentage 6.98%   6.98%    
Equity method investments $ 23,800   $ 23,800   $ 27,300