Securities (Summary of Disaggregated Net Losses on Equity Securities) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Securities [Abstract]
Net losses recognized during the period on equity securities held at the reporting period	$ (3,227)	$ (2,626)
Net losses recognized during the period on equity securities sold during the period		(59)
Realized and unrealized losses on equity investments during the reporting period	$ (3,227)	$ (2,685)