Investment Securities, Equity Securities Changes in Fair Value Recognized in Net Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Debt and Equity Securities, FV-NI [Line Items]
Net losses recognized during the period on equity securities	$ (10)	$ (31)
Less net losses recognized during the period on equity securities sold during the period	0	(61)
Net unrealized gains (losses) recognized during the reporting period on equity securities still held at period end	(10)	$ 30
Equity Securities, Amortized Cost Basis	1,433		$ 1,425
Equity securities with a readily determinable fair value, at fair value	1,334		1,336
Mutual funds [Member]
Debt and Equity Securities, FV-NI [Line Items]
Equity Securities, Amortized Cost Basis	1,423		1,415
Equity securities with a readily determinable fair value, at fair value	1,236		1,240
Equity securities [Member]
Debt and Equity Securities, FV-NI [Line Items]
Equity Securities, Amortized Cost Basis	10		10
Equity securities with a readily determinable fair value, at fair value	$ 98		$ 96