Investments (Narrative) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($) item
Schedule of Available-for-sale Securities [Line Items]
Fair value	$ 454,586	$ 508,604
Percent of shareholders equity benchmark for investments in a single issuer	10.00%
Fair Value	$ 398,977	476,913
Equity securities		166
Public Funds And Trust Deposits [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair value	$ 353,500	$ 207,200
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Number of equity investments | item		1