Quarterly report pursuant to Section 13 or 15(d)

BUSINESS COMBINATION AND GOODWILL - Additional Information (Details)

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BUSINESS COMBINATION AND GOODWILL - Additional Information (Details) - USD ($)
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Business Combination Segment Allocation [Line Items]          
Goodwill $ 233,584,000   $ 233,584,000   $ 233,584,000
Newbury Partners LLC          
Business Combination Segment Allocation [Line Items]          
Total consideration for equity interest acquired   $ 320,100,000      
Transaction costs   3,600,000   $ 3,600,000  
Goodwill   177,602,000   177,602,000  
Liabilities assumed   736,000      
Liabilities remained outstanding $ 0        
Transaction costs     $ 0 4,600,000  
Newbury Partners LLC | Management Contracts          
Business Combination Segment Allocation [Line Items]          
Finite lived intangible assets   $ 98,000,000   98,000,000  
Discounted rate   16.00%      
Newbury Partners LLC | Client Relationships          
Business Combination Segment Allocation [Line Items]          
Finite lived intangible assets   $ 48,000,000   $ 48,000,000  
Useful life   14 years   14 years  
Discount rate for projected future royalty fees   22.00%      
Newbury Partners LLC | Trade name          
Business Combination Segment Allocation [Line Items]          
Finite lived intangible assets   $ 3,000,000   $ 3,000,000  
Useful life   10 years   10 years  
Discount rate for projected future royalty fees   21.00%      
Royalty rate   1.00%      
Newbury Partners LLC | Minimum | Management Contracts          
Business Combination Segment Allocation [Line Items]          
Useful life   4 years   4 years  
Newbury Partners LLC | Maximum | Management Contracts          
Business Combination Segment Allocation [Line Items]          
Useful life   10 years   10 years  
Newbury Partners LLC | General and Administrative Expense          
Business Combination Segment Allocation [Line Items]          
Transaction costs   $ 3,500,000   $ 3,500,000