Quarterly report pursuant to Section 13 or 15(d)

Marketable Securities (Details - Marketable Securities)

v3.22.1
Marketable Securities (Details - Marketable Securities)
$ in Thousands
 3 Months Ended
Mar. 31, 2022
USD ($)
Net Investment Income [Line Items]  
Adjusted Cost $ 105,977
Fair Value 101,301
Unrealized Loss (4,676)
Corporate Bond Securities [Member]  
Net Investment Income [Line Items]  
Adjusted Cost 46,100
Fair Value 44,232
US Treasury Securities [Member]  
Net Investment Income [Line Items]  
Adjusted Cost 24,345
Fair Value 23,394
Unrealized Loss (951)
Collateralized Mortgage-Backed Securities [Member]  
Net Investment Income [Line Items]  
Adjusted Cost 6,981
Fair Value 6,653
Unrealized Loss (329)
U S Agency And Government Sponsored Securities [Member]  
Net Investment Income [Line Items]  
Adjusted Cost 14,095
Fair Value 13,239
Unrealized Loss (855)
US Treasury Notes Securities [Member]  
Net Investment Income [Line Items]  
Adjusted Cost 11,854
Fair Value 11,219
Unrealized Loss (635)
Asset-Backed Securities [Member]  
Net Investment Income [Line Items]  
Adjusted Cost 2,602
Fair Value 2,564
Unrealized Loss $ (38)