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Fair Values - (Available-For-Sale Securities) (Details) - USD ($) $ in Thousands	1 Months Ended			6 Months Ended	12 Months Ended
	May 31, 2024	Feb. 29, 2024	Sep. 30, 2023	Jun. 30, 2024	Dec. 31, 2023
Assets and liabilities recorded at fair value
Purchases	$ 8,200	$ 800	$ 4,200
Unrealized losses recorded in other comprehensive income (loss)				$ 216	$ 359
Recurring Basis | Significant unobservable inputs (Level 3)
Assets and liabilities recorded at fair value
Beginning balance				4,579
Purchases				8,950
Unrealized losses recorded in other comprehensive income (loss)				(143)
Ending balance				$ 13,386	$ 4,579

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Amount of available-for-sale debt securities measured at fair value purchased during the period.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Amount of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
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