Annual report pursuant to Section 13 and 15(d)

FAIR VALUE MEASUREMENTS - Summary of Assets and Liabilities Measured at Fair Value on Recurring Basis (Details)

v3.22.4
FAIR VALUE MEASUREMENTS - Summary of Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - Fair Value, Recurring - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Assets:    
Total assets at fair value $ 654,793 $ 491,589
Other investments    
Assets:    
Total assets at fair value 8,369 4,321
General Partner Notes Payable    
Liabilities:    
Total liabilities at fair value 8,633 12,003
Common shares in publicly traded company    
Assets:    
Total assets at fair value 86  
Exchange traded funds    
Assets:    
Total assets at fair value 2,117 1,171
Mutual funds    
Assets:    
Total assets at fair value 12,411 6,864
Accrued performance allocations    
Assets:    
Total assets at fair value 554,723 439,548
Partnership interests    
Assets:    
Total assets at fair value 77,087 39,685
Level 1    
Assets:    
Total assets at fair value 14,614 8,035
Level 1 | Other investments    
Assets:    
Total assets at fair value 0 0
Level 1 | General Partner Notes Payable    
Liabilities:    
Total liabilities at fair value 0 0
Level 1 | Common shares in publicly traded company    
Assets:    
Total assets at fair value 86  
Level 1 | Exchange traded funds    
Assets:    
Total assets at fair value 2,117 1,171
Level 1 | Mutual funds    
Assets:    
Total assets at fair value 12,411 6,864
Level 1 | Accrued performance allocations    
Assets:    
Total assets at fair value 0 0
Level 1 | Partnership interests    
Assets:    
Total assets at fair value 0 0
Level 2    
Assets:    
Total assets at fair value 0 0
Level 2 | Other investments    
Assets:    
Total assets at fair value 0 0
Level 2 | General Partner Notes Payable    
Liabilities:    
Total liabilities at fair value 0 0
Level 2 | Common shares in publicly traded company    
Assets:    
Total assets at fair value 0  
Level 2 | Exchange traded funds    
Assets:    
Total assets at fair value 0 0
Level 2 | Mutual funds    
Assets:    
Total assets at fair value 0 0
Level 2 | Accrued performance allocations    
Assets:    
Total assets at fair value 0 0
Level 2 | Partnership interests    
Assets:    
Total assets at fair value 0 0
Level 3    
Assets:    
Total assets at fair value 8,369 4,321
Level 3 | Other investments    
Assets:    
Total assets at fair value 8,369 4,321
Level 3 | General Partner Notes Payable    
Liabilities:    
Total liabilities at fair value 0 0
Level 3 | Common shares in publicly traded company    
Assets:    
Total assets at fair value 0  
Level 3 | Exchange traded funds    
Assets:    
Total assets at fair value 0 0
Level 3 | Mutual funds    
Assets:    
Total assets at fair value 0 0
Level 3 | Accrued performance allocations    
Assets:    
Total assets at fair value 0 0
Level 3 | Partnership interests    
Assets:    
Total assets at fair value 0 0
Measured at NAV    
Assets:    
Total assets at fair value 631,810 479,233
Measured at NAV | Other investments    
Assets:    
Total assets at fair value 0 0
Measured at NAV | General Partner Notes Payable    
Liabilities:    
Total liabilities at fair value 8,633 12,003
Measured at NAV | Common shares in publicly traded company    
Assets:    
Total assets at fair value 0  
Measured at NAV | Exchange traded funds    
Assets:    
Total assets at fair value 0 0
Measured at NAV | Mutual funds    
Assets:    
Total assets at fair value 0 0
Measured at NAV | Accrued performance allocations    
Assets:    
Total assets at fair value 554,723 439,548
Measured at NAV | Partnership interests    
Assets:    
Total assets at fair value $ 77,087 $ 39,685