Change in Accumulated Other Comprehensive Income (Loss) (Schedule of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items]
Realized (losses) gains on available-for-sale securities	$ 0	$ (12)	$ 63	$ (38)
Less: tax (benefit) expense effect	0	(3)	15	(9)
Realized (losses) gains on available-for-sale securities, net of income tax	0	(9)	48	(29)
Interest income on cash flow hedges	9	0	9	0
Less: tax expense effect	2	0	2	0
Interest income on cash flow hedges, net of tax	7	0	7	0
Reclassification Out Of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Realized (losses) gains on available-for-sale securities	0	(12,000)	63,000	(38,000)
Less: tax (benefit) expense effect	0	(3,000)	15,000	(9,000)
Realized (losses) gains on available-for-sale securities, net of income tax	0	(9,000)	48,000	(29,000)
Interest income on cash flow hedges	9,000	0	9,000	0
Less: tax expense effect	2,000	0	2,000	0
Interest income on cash flow hedges, net of tax	7,000	0	7,000	0
Total reclassified amount	$ 7,000	$ (9,000)	$ 55,000	$ (29,000)