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Investments - Components of Investments (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]    
Adjusted Cost Basis $ 271,906 $ 288,192
Unrealized Gains 0 0
Unrealized Losses (1) (7)
Fair Value 271,905 288,185
Cash and Cash Equivalents 271,458 287,060
Marketable securities, current 0 0
Marketable Securities - Non-current 447 1,125
Asset-backed securities    
Debt Securities, Available-for-sale [Line Items]    
Adjusted Cost Basis 448 1,132
Unrealized Gains 0 0
Unrealized Losses (1) (7)
Fair Value 447 1,125
Cash and Cash Equivalents 0 0
Marketable securities, current 0 0
Marketable Securities - Non-current 447 1,125
Money market funds    
Debt Securities, Available-for-sale [Line Items]    
Adjusted Cost Basis 271,458 287,060
Unrealized Gains 0 0
Unrealized Losses 0 0
Fair Value 271,458 287,060
Cash and Cash Equivalents 271,458 287,060
Marketable securities, current 0 0
Marketable Securities - Non-current $ 0 $ 0