v3.26.1
Consolidated Variable Interest Entity - Schedule of Carrying Amounts of the Assets and Liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Assets:    
Cash $ 33,327 $ 29,721
Investments in the Absolute Return Utility & Infrastructure Fund, at fair value 227,267 189,859
Investment in affiliated fund, at fair value (cost of $191 in 2026 and $191 in 2025) 1,766 280
Total assets 1,663,601 1,474,313
Liabilities:    
Total liabilities 993,226 859,454
Partners' capital:    
Total liabilities, stockholders' equity and non-controlling interest 1,663,601 1,474,313
Variable Interest Entity, Primary Beneficiary    
Assets:    
Cash 4 4
Investments in the Absolute Return Utility & Infrastructure Fund, at fair value 215,861 178,891
Investment in affiliated fund, at fair value (cost of $191 in 2026 and $191 in 2025) 154 280
Investments in affiliates, cost 191 191
Due from the Absolute Return Utility & Infrastructure Fund 0 2,077
Total assets 216,019 181,252
Liabilities:    
Withdrawals payable 0 2,077
Accrued expenses and other liabilities 122 118
Total liabilities 122 2,195
Partners' capital:    
Limited partners 209,916 178,507
General partner 5,981 550
Total partners' capital: 215,897 179,057
Total liabilities, stockholders' equity and non-controlling interest $ 216,019 $ 181,252