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Investments in Marketable Securities (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Unrealized and Realized Gain, Dividend and Interest Income from Marketable Securities [Abstract]      
Dividend and interest income from marketable securities $ 3,574 $ 2,219  
Gain on marketable securities, net 0 2,942  
Available-for-Sale Securities [Abstract]      
Amortized costs 182,296   $ 123,854
Gross unrealized gains 0 0 22
Gross unrealized losses (28) $ 0 0
Fair value 182,268   123,876
Available-for-Sale Securities by Remaining Contractual Maturity [Abstract]      
One year or less 182,268   123,876
Over one year through five years 0   0
Over five years 0   0
Total 182,268   123,876
Maximum [Member]      
Available-for-Sale Securities [Abstract]      
Gross unrealized losses (100)    
US Treasury Securities [Member]      
Available-for-Sale Securities [Abstract]      
Amortized costs 151,538   82,625
Gross unrealized gains 0   15
Gross unrealized losses (14)   0
Fair value 151,524   82,640
Available-for-Sale Securities by Remaining Contractual Maturity [Abstract]      
One year or less 151,524   82,640
Over one year through five years 0   0
Over five years 0   0
Total 151,524   82,640
Commercial Paper [Member]      
Available-for-Sale Securities [Abstract]      
Amortized costs 30,758   41,229
Gross unrealized gains 0   7
Gross unrealized losses (14)   0
Fair value 30,744   41,236
Available-for-Sale Securities by Remaining Contractual Maturity [Abstract]      
One year or less 30,744   41,236
Over one year through five years 0   0
Over five years 0   0
Total $ 30,744   $ 41,236