Quarterly report pursuant to Section 13 or 15(d)

SUMMARY OF INVESTMENTS (Details)

v3.22.2
SUMMARY OF INVESTMENTS (Details) - USD ($)
Jun. 30, 2022
Dec. 31, 2021
Net Investment Income [Line Items]    
Debt Securities, Available-for-sale, Amortized Cost $ 47,652,000 $ 55,951,000
Debt Securities, Available-for-sale 47,533,000 55,889,000
Other investments and Debt Securities, Amortized Cost Basic 47,652,000 72,703
Other Investments and Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 119,000 (62)
Other Investments and Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax (0) 0
Other Investments and Debt Securities, Available-for-sale 47,533,000 72,641
Corporate Debt Securities [Member]    
Net Investment Income [Line Items]    
Debt Securities, Available-for-sale, Amortized Cost 35,217,000 32,922
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 119,000 58
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 0 0
Debt Securities, Available-for-sale 35,098,000 32,864
Asset-backed Securities [Member]    
Net Investment Income [Line Items]    
Debt Securities, Available-for-sale, Amortized Cost 0 10,235
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 0 4
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 0 0
Debt Securities, Available-for-sale 0 10,231
Commercial Paper [Member]    
Net Investment Income [Line Items]    
Debt Securities, Available-for-sale, Amortized Cost 12,435,000 12,794
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 0 0
Debt Securities, Available-for-sale 12,435,000 12,794
Term Deposits [Member]    
Net Investment Income [Line Items]    
Other investments and Debt Securities, Amortized Cost Basic 0 16,752
Other Investments and Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 0 0
Other Investments and Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 0 0
Other Investments and Debt Securities, Available-for-sale $ 0 $ 16,752