XML 38 R31.htm IDEA: XBRL DOCUMENT v3.25.2
Fair Value Measurement - Held-to-maturity debt securities at amortized cost (Details) - US Treasury Securities [Member] - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Amortized Cost $ 75,776 $ 106,535
Unrealized Gains 5 37
Unrealized Losses (2) 0
Aggregate Fair Value $ 75,779 $ 106,572