Restricted Available-for-Sale Investments - Summary of Proceeds from Sold or Matured Restricted Available-For-Sale Investments (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2023
Schedule Of Available For Sale Securities [Line Items]
Maturities of restricted available-for-sale investments		$ 2,117
Restricted Investments
Schedule Of Available For Sale Securities [Line Items]
Purchases of restricted available-for-sale investments		1,900
Maturities of restricted available-for-sale investments	$ 2,117	$ 2,117