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Fair Value Measurements - Held-to-maturity debt securities at amortized cost (Details) - US Treasury Securities [Member]
$ in Thousands
Jun. 30, 2023
USD ($)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]  
Amortized Cost $ 123,396
Unrealized Gains 42
Unrealized Losses 0
Aggregate Fair Value $ 123,438