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Investments - Schedule of Contractual Maturities of Available-for-Sale and Held-to-Maturity Securities (Details)
$ in Thousands
Dec. 31, 2022
USD ($)
Available-for-sale, Amortized Cost  
Within 1 year $ 318,592
After 1 year through 5 years 136,539
Total 455,131
Available-for-sale, Estimated Fair Value  
Within 1 year 313,994
After 1 year through 5 years 131,788
Total 445,782
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