XML 110 R76.htm IDEA: XBRL DOCUMENT v3.25.0.1
Bonds and Notes Payable - Outstanding Debt Obligations (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Debt Instrument [Line Items]    
Bonds and notes payable, gross $ 8,358,451 $ 11,918,158
Discount on bonds and notes payable and debt issuance costs (48,654) (89,765)
Total 8,309,797 11,828,393
Unsecured line of credit    
Debt Instrument [Line Items]    
Bonds and notes payable, gross $ 0 $ 0
Interest rate 0.00% 0.00%
Participation agreements    
Debt Instrument [Line Items]    
Bonds and notes payable, gross $ 3,320 $ 10,063
Repurchase agreement    
Debt Instrument [Line Items]    
Bonds and notes payable, gross   208,164
Other - due to related party    
Debt Instrument [Line Items]    
Bonds and notes payable, gross   5,778
Federally insured | Bonds and notes based on indices    
Debt Instrument [Line Items]    
Bonds and notes payable, gross 6,923,824 9,552,667
Federally insured | Bonds and notes based on auction    
Debt Instrument [Line Items]    
Bonds and notes payable, gross 36,395 87,360
Federally insured | Variable-rate bonds and notes    
Debt Instrument [Line Items]    
Bonds and notes payable, gross 6,960,219 9,640,027
Federally insured | Fixed rate bonds and notes    
Debt Instrument [Line Items]    
Bonds and notes payable, gross 346,359 471,427
Federally insured | Warehouse facilities    
Debt Instrument [Line Items]    
Bonds and notes payable, gross 853,165 1,398,485
Private education | Variable-rate bonds and notes    
Debt Instrument [Line Items]    
Bonds and notes payable, gross 54,973 80,393
Private education | Fixed rate bonds and notes    
Debt Instrument [Line Items]    
Bonds and notes payable, gross 50,415 80,130
Consumer loans | Warehouse facilities    
Debt Instrument [Line Items]    
Bonds and notes payable, gross $ 90,000 $ 23,691
Interest rate   5.70%
Minimum | Participation agreements    
Debt Instrument [Line Items]    
Interest rate 5.27% 5.58%
Minimum | Repurchase agreement    
Debt Instrument [Line Items]    
Interest rate   6.35%
Minimum | Other - due to related party    
Debt Instrument [Line Items]    
Interest rate   5.00%
Minimum | Federally insured | Bonds and notes based on indices    
Debt Instrument [Line Items]    
Interest rate 4.89% 5.45%
Minimum | Federally insured | Bonds and notes based on auction    
Debt Instrument [Line Items]    
Interest rate 5.71% 0.00%
Minimum | Federally insured | Fixed rate bonds and notes    
Debt Instrument [Line Items]    
Interest rate 1.42% 1.42%
Minimum | Federally insured | Warehouse facilities    
Debt Instrument [Line Items]    
Interest rate 4.41% 5.41%
Minimum | Private education | Variable-rate bonds and notes    
Debt Instrument [Line Items]    
Interest rate 5.90% 6.90%
Minimum | Private education | Fixed rate bonds and notes    
Debt Instrument [Line Items]    
Interest rate 5.35% 5.35%
Minimum | Consumer loans | Warehouse facilities    
Debt Instrument [Line Items]    
Interest rate 4.46%  
Maximum | Participation agreements    
Debt Instrument [Line Items]    
Interest rate 5.82% 6.08%
Maximum | Repurchase agreement    
Debt Instrument [Line Items]    
Interest rate   6.81%
Maximum | Other - due to related party    
Debt Instrument [Line Items]    
Interest rate   6.05%
Maximum | Federally insured | Bonds and notes based on indices    
Debt Instrument [Line Items]    
Interest rate 6.45% 7.47%
Maximum | Federally insured | Bonds and notes based on auction    
Debt Instrument [Line Items]    
Interest rate 5.72% 6.45%
Maximum | Federally insured | Fixed rate bonds and notes    
Debt Instrument [Line Items]    
Interest rate 3.45% 3.45%
Maximum | Federally insured | Warehouse facilities    
Debt Instrument [Line Items]    
Interest rate 4.69% 5.70%
Maximum | Private education | Variable-rate bonds and notes    
Debt Instrument [Line Items]    
Interest rate 6.82% 7.57%
Maximum | Private education | Fixed rate bonds and notes    
Debt Instrument [Line Items]    
Interest rate 7.15% 7.15%
Maximum | Consumer loans | Warehouse facilities    
Debt Instrument [Line Items]    
Interest rate 4.57%