| Stockholders' Equity Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022 | 
|---|---|---|
| Equity [Abstract] | ||
| Unrealized gains | $ 4,009 | $ 47,656 | 
| Unrealized losses | (313,095) | (326,367) | 
| Accumulated other comprehensive loss | $ (309,086) | $ (278,711) | 
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- Definition Amount, after tax, of accumulated gross unrealized gains on investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). No definition available. 
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| X | ||||||||||
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- Definition Amount, after tax, of accumulated gross unrealized losses on investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). No definition available. 
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| X | ||||||||||
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- Definition Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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| X | ||||||||||
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- References No definition available. 
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