Securities - Securities with Unrealized Losses - Securities Held-to-maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Securities, Fair Value
Less Than 12 Months		$ 4,926
12 Months or More	$ 273,043	437,710
Total	273,043	442,636
Less Than 12 Months	13,745	9,790
12 Months or More	506,456	533,766
Total	520,201	543,556
Securities, Unrealized (Losses)
Less Than 12 Months		(40)
12 Months or More	(8,393)	(9,894)
Total	(8,393)	(9,934)
Less Than 12 Months	(255)	(176)
12 Months or More	(93,514)	(86,559)
Total	(93,769)	(86,735)
U.S. Treasury
Securities, Fair Value
Less Than 12 Months		4,926
12 Months or More	218,682	377,443
Total	218,682	382,369
Securities, Unrealized (Losses)
Less Than 12 Months		(40)
12 Months or More	(3,578)	(5,581)
Total	(3,578)	(5,621)
Agency mortgage-backed securities
Securities, Fair Value
12 Months or More	54,361	60,267
Total	54,361	60,267
Less Than 12 Months	5,184
12 Months or More	485,672	520,615
Total	490,856	520,615
Securities, Unrealized (Losses)
12 Months or More	(4,815)	(4,313)
Total	(4,815)	(4,313)
Less Than 12 Months	(37)
12 Months or More	(92,038)	(86,011)
Total	(92,075)	(86,011)
Municipals - exempt from Federal tax
Securities, Fair Value
Less Than 12 Months	8,561	9,790
12 Months or More	20,784	13,151
Total	29,345	22,941
Securities, Unrealized (Losses)
Less Than 12 Months	(218)	(176)
12 Months or More	(1,476)	(548)
Total	$ (1,694)	$ (724)