v3.25.1
INVESTMENTS - Narrative (Details) - USD ($)
Dec. 31, 2024
Jul. 23, 2024
Dec. 31, 2023
Jan. 28, 2022
May 20, 2019
Debt Securities, Available-for-Sale [Line Items]          
Accrued interest receivable on available-for-sale securities $ 30,400   $ 200,000    
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] Other assets   Other assets    
Class A Notes          
Debt Securities, Available-for-Sale [Line Items]          
Notes sold   $ 137,200,000      
Class B Notes          
Debt Securities, Available-for-Sale [Line Items]          
Notes sold   17,200,000      
TSO Notes          
Debt Securities, Available-for-Sale [Line Items]          
Collateral   $ 190,500,000      
Newtek Conventional Lending, LLC          
Debt Securities, Available-for-Sale [Line Items]          
Investment sale       $ 56,300,000  
Yield percentage       3.209%  
Newtek Conventional Lending, LLC | Newtek Commercial Lending          
Debt Securities, Available-for-Sale [Line Items]          
Joint venture ownership percentage         50.00%
Newtek Conventional Lending, LLC | Conventional Lending TCP Holding          
Debt Securities, Available-for-Sale [Line Items]          
Joint venture ownership percentage         50.00%