Investments (Gross Gains And Losses Realized) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Investments [Abstract]
Gross unrealized gains recognized on equity securities still held	$ 517,000	$ 769,000	$ 38,000
Gross unrealized losses recognized on equity securities still held	(342,000)	(337,000)	(1,623,000)
Net unrealized gains (losses) recognized on equity securities still held	175,000	432,000	(1,585,000)
Gross realized gains	5,000	996,000	4,000
Gross realized losses	(2,830,000)	(5,904,000)	0
Net realized investment security (losses) gains	(2,825,000)	(4,908,000)	4,000
Proceeds from sales	$ 33,394,000	$ 205,627,000	$ 0