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Marketable Securities (Details - Contractual maturities) $ in Thousands | Sep. 30, 2022 USD ($)
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Net Investment Income [Line Items] |
Fair Value | $ 89,873
Due After One Year Through Five Years [Member] |
Net Investment Income [Line Items] |
Fair Value | 70,060
Due In One Years [Member] |
Net Investment Income [Line Items] |
Fair Value | 8,889
Due After Five Years Through Ten Years [Member] |
Net Investment Income [Line Items] |
Fair Value | 3,752
Due After Ten Years [Member] |
Net Investment Income [Line Items] |
Fair Value | $ 7,172

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