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Investments - Available-for-Sale (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]    
Amortized Cost $ 5,868 $ 11,315
Unrealized Gain 72 75
Unrealized Loss 0 0
Accrued Interest 0 0
Fair Value $ 5,940 $ 11,390