Investments - Schedule of Contractual Maturities of Available-for-Sale and Held-to-Maturity Securities (Details) $ in Thousands	Mar. 31, 2024 USD ($)
Available-for-sale, Amortized Cost
Within 1 year	$ 223,529
After 1 year through 5 years	162,670
Total	386,199
Available-for-sale, Estimated Fair Value
Within 1 year	222,712
After 1 year through 5 years	162,545
Total	385,257
Held-to-maturity, Amortized Cost
Within 1 year	1,820
Total	1,820
Held-to-maturity, Estimated Fair Value
Within 1 year	1,820
Total	$ 1,820