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Investments - Available-for-Sale (Tables)
9 Months Ended
Sep. 30, 2023
Investments, Debt and Equity Securities [Abstract]  
Investments Available-for-Sale
Investments available-for-sale consisted of the following as of September 30, 2023 and December 31, 2022 (table in thousands):
September 30, 2023
Amortized CostUnrealized GainUnrealized LossAccrued InterestFair Value
Available-for-Sale Securities
Debt securities$3,898 $73 $— $— $3,971 

December 31, 2022
Amortized CostUnrealized GainUnrealized LossAccrued InterestFair Value
Available-for-Sale Securities
Debt securities$11,315 $75 $— $— $11,390