XML 56 R46.htm IDEA: XBRL DOCUMENT v3.23.1
Restricted Available-for-Sale Investments - Summary of Gross Unrealized Losses And Estimated Fair Values of Restricted Available-For-Sale Investments (Details) - Restricted Investments - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Schedule Of Available For Sale Securities [Line Items]    
Less than 12 Months, Estimated Fair Value $ 22,489 $ 20,416
Less than 12 Months, Gross Unrealized Losses (479) (742)
Total Estimated Fair Value 22,489 20,416
Total Gross Unrealized Losses $ (479) $ (742)