Investment Securities, Analysis of Gross Unrealized Losses (Details) $ in Thousands	Dec. 31, 2024 USD ($) Security	Dec. 31, 2023 USD ($)
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value	$ 222,052	$ 32,025
12 months or more, fair value	336,425	470,459
Total fair value	558,477	502,484
Less than 12 months, unrealized losses	(6,560)	(188)
12 Months or more, unrealized losses	(42,291)	(48,502)
Total unrealized losses	$ (48,851)	(48,690)
Investment securities in unrealized loss position less than 12 months | Security	155
Investment securities in unrealized loss position more than 12 months | Security	375
Allowance for credit losses on available-for-sale securities	$ 0	0
Public Deposits or Other [Member] | Asset Pledged as Collateral [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Investment securities	53,589	43,884
U.S. Treasury Securities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value	27,055	0
12 months or more, fair value	42,603	77,203
Total fair value	69,658	77,203
Less than 12 months, unrealized losses	(431)	0
12 Months or more, unrealized losses	(1,346)	(3,015)
Total unrealized losses	(1,777)	(3,015)
Allowance for credit losses on available-for-sale securities	0	0
Securities of U.S. Government Agencies and Corporations [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value	22,383	3,424
12 months or more, fair value	58,585	97,057
Total fair value	80,968	100,481
Less than 12 months, unrealized losses	(471)	(7)
12 Months or more, unrealized losses	(4,125)	(6,324)
Total unrealized losses	(4,596)	(6,331)
Allowance for credit losses on available-for-sale securities	0	0
Obligations of States and Political Subdivisions [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value	33,078	4,981
12 months or more, fair value	29,025	32,578
Total fair value	62,103	37,559
Less than 12 months, unrealized losses	(1,083)	(31)
12 Months or more, unrealized losses	(3,989)	(3,550)
Total unrealized losses	(5,072)	(3,581)
Allowance for credit losses on available-for-sale securities	0	0
Collateralized Mortgage Obligations [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value	28,937	6,597
12 months or more, fair value	62,320	80,995
Total fair value	91,257	87,592
Less than 12 months, unrealized losses	(1,860)	(26)
12 Months or more, unrealized losses	(16,841)	(16,700)
Total unrealized losses	(18,701)	(16,726)
Allowance for credit losses on available-for-sale securities	0	0
Mortgage-backed Securities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value	110,599	17,023
12 months or more, fair value	143,892	182,626
Total fair value	254,491	199,649
Less than 12 months, unrealized losses	(2,715)	(124)
12 Months or more, unrealized losses	(15,990)	(18,913)
Total unrealized losses	(18,705)	(19,037)
Allowance for credit losses on available-for-sale securities	$ 0	$ 0