BORROWINGS - Narrative (Details) - USD ($) $ in Thousands		12 Months Ended
	Sep. 26, 2025	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Aug. 07, 2025
Debt Instrument [Line Items]
Borrowings (including borrowings of VIEs of $127.1 million and $186.6 million, respectively)		$ 819,888	$ 708,041
NMS Goldman Facility | Line of Credit
Debt Instrument [Line Items]
Borrowings (including borrowings of VIEs of $127.1 million and $186.6 million, respectively)	$ 90,000	88,352	0
Deferred financing costs		1,423	0
Proceeds from issuance of long-term debt	90,000
NMS Goldman Facility | Revolving Credit Facility
Debt Instrument [Line Items]
Borrowings (including borrowings of VIEs of $127.1 million and $186.6 million, respectively)	5,000
Loans to Company
Debt Instrument [Line Items]
Borrowings (including borrowings of VIEs of $127.1 million and $186.6 million, respectively)	$ 58,500
Capital One Facilities | Line of Credit
Debt Instrument [Line Items]
Deferred financing costs		515	108
Capital One Facilities | Line of Credit | Capital One, SP1
Debt Instrument [Line Items]
Maximum borrowing capacity		100,000	60,000
Borrowings Outstanding - line of credit		16,600
Capital One Facilities | Line of Credit | Capital One, Guaranteed and Unguaranteed
Debt Instrument [Line Items]
Interest expense		13,500	6,400	$ 11,000
NBL Deutsche Bank Facility | Line of Credit | Payment guarantee
Debt Instrument [Line Items]
Guaranty liabilities		169,800
NBL Deutsche Bank Facility | Line of Credit | Newtek Business Lending, LLC
Debt Instrument [Line Items]
Maximum borrowing capacity		170,000
NBL One Florida Bank Facility | Line of Credit | Payment guarantee
Debt Instrument [Line Items]
Guaranty liabilities		33,300
NBL One Florida Bank Facility | Line of Credit | Newtek Business Lending, LLC
Debt Instrument [Line Items]
Maximum borrowing capacity		35,000			$ 30,000
One Florida line of credit - SP3 | Line of Credit
Debt Instrument [Line Items]
Deferred financing costs		41	64
Maximum borrowing capacity		$ 35,000	$ 30,000		$ 35,000