| Significant Accounting Policies - PDR (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | 
|---|---|---|---|
| Premium Deficiency Reserve ("PDR") | |||
| Premium deficiency reserve | $ 31,515 | $ 26,375 | $ 37,836 | 
| X | ||||||||||
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- References No definition available. 
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| X | ||||||||||
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- Definition The carrying amount of premium deficiency reserve payable in twelve months or in the next operating cycle if longer. No definition available. 
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