Quarterly report [Sections 13 or 15(d)]

SUMMARY OF INVESTMENTS (Details)

v3.25.1
SUMMARY OF INVESTMENTS (Details) - USD ($)
$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Net Investment Income [Line Items]    
Debt Securities, Available-for-sale, Amortized Cost $ 113,909 $ 131,829
Debt Securities, Available-for-sale 113,887 131,864
Other investments and Debt Securities, Amortized Cost Basic 113,909 131,829
Other Investments and Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 48 89
Other Investments and Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax (70) (54)
Other Investments and Debt Securities, Available-for-sale 113,887 131,864
Corporate Debt Securities [Member]    
Net Investment Income [Line Items]    
Debt Securities, Available-for-sale, Amortized Cost 84,308 100,302
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax 23 56
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax (69) (54)
Debt Securities, Available-for-sale 84,262 100,304
Commercial Paper [Member]    
Net Investment Income [Line Items]    
Debt Securities, Available-for-sale, Amortized Cost 4,404  
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax 0  
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 0  
Debt Securities, Available-for-sale 4,404  
U.S. Treasury Securities [Member]    
Net Investment Income [Line Items]    
Debt Securities, Available-for-sale, Amortized Cost 7,528 9,452
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax 13 15
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 0 0
Debt Securities, Available-for-sale 7,541 9,467
U.S. Government Agency Securities [Member]    
Net Investment Income [Line Items]    
Debt Securities, Available-for-sale, Amortized Cost 17,669 22,075
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax 12 18
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax (1) 0
Debt Securities, Available-for-sale $ 17,680 $ 22,093