v3.26.1
Long Term Debt - Additional Information (Details) - USD ($)
$ in Thousands
1 Months Ended 6 Months Ended
Jul. 31, 2003
Jun. 30, 2026
Dec. 31, 2025
Jan. 15, 2025
Debt Instrument [Line Items]        
Restricted cash   $ 58,927 $ 55,914 $ 26,089
Expected payments, 2026   116,500    
Expected payments, 2027   189,600    
Expected payments, 2028   127,300    
Expected payments, 2029   43,000    
Expected payments, 2030   6,500    
Long-term debt   489,370 423,197 $ 365,963
Junior subordinated debentures $ 10,000      
Junior Subordinated Debentures        
Debt Instrument [Line Items]        
Long-term debt, maturity date Oct. 07, 2033      
Long-term debt   10,310 10,310  
Percentage of owned finance subsidiary 100.00%      
Variable rate for calculating quarterly preferential distribution 3.05%      
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember      
Financing of Beneficial Interest in Securizations        
Debt Instrument [Line Items]        
Long-term debt   13,886 19,643  
Securitization Debt of Consolidated VIEs        
Debt Instrument [Line Items]        
Restricted cash   48,400 39,700  
UACC | Financing of Beneficial Interest in Securizations        
Debt Instrument [Line Items]        
Long-term debt   $ 13,900 19,600  
Investment, Type [Extensible Enumeration]   us-gaap:RepurchaseAgreementsMember    
UACC | Risk Retention Financing Facility        
Debt Instrument [Line Items]        
Fair value of the collateral pledged amount   $ 14,000 $ 20,000  
Expected beneficial interests in securitizations pledged as collateral   18,500    
Risk retention financing facility, outstanding borrowings   $ 14,000    
Expected repurchases period start, month and year   2028-01    
Expected repurchases period end, month and year   2031-10