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Investment Securities Gross Unrealized Losses - AFS (Details) $ in Thousands	Dec. 31, 2025 USD ($) securities	Dec. 31, 2024 USD ($) securities
Investment Securities, Available-for-sale [Line Items]
Investment securities available for sale, continuous unrealized loss position, less than 12 months, fair value	$ 1,110	$ 5,095
Investment securities available for sale, continuous unrealized loss position, less than 12 months, gross unrealized losses	$ (1)	$ (274)
Investment securities, available for sale, continuous unrealized loss position, less than 12 months, number of positions | securities	1	8
Investment securities available for sale, continuous unrealized loss position, 12 months or longer, fair value	$ 466,050	$ 520,495
Investment securities available for sale, continuous unrealized loss position, 12 months or longer, gross unrealized losses	$ (93,269)	$ (128,564)
Investments securities, available for sale, continuous unrealized loss position , greater than 12 months, number of positions | securities	151	192
Investment securities available for sale, total, continuous unrealized loss position, fair value	$ 467,160	$ 525,590
Investment securities available for sale, total, continuous unrealized loss position, gross unrealized losses	(93,270)	(128,838)
State and political subdivisions [Member]
Investment Securities, Available-for-sale [Line Items]
Investment securities available for sale, continuous unrealized loss position, less than 12 months, fair value	0	4,485
Investment securities available for sale, continuous unrealized loss position, less than 12 months, gross unrealized losses	$ 0	$ (271)
Investment securities, available for sale, continuous unrealized loss position, less than 12 months, number of positions | securities	0	7
Investment securities available for sale, continuous unrealized loss position, 12 months or longer, fair value	$ 163,173	$ 169,650
Investment securities available for sale, continuous unrealized loss position, 12 months or longer, gross unrealized losses	$ (34,820)	$ (41,526)
Investments securities, available for sale, continuous unrealized loss position , greater than 12 months, number of positions | securities	68	90
Investment securities available for sale, total, continuous unrealized loss position, fair value	$ 163,173	$ 174,135
Investment securities available for sale, total, continuous unrealized loss position, gross unrealized losses	(34,820)	(41,797)
Collateralized mortgage obligations [Member]
Investment Securities, Available-for-sale [Line Items]
Investment securities available for sale, continuous unrealized loss position, less than 12 months, fair value	0	0
Investment securities available for sale, continuous unrealized loss position, less than 12 months, gross unrealized losses	$ 0	$ 0
Investment securities, available for sale, continuous unrealized loss position, less than 12 months, number of positions | securities	0	0
Investment securities available for sale, continuous unrealized loss position, 12 months or longer, fair value	$ 193,683	$ 219,264
Investment securities available for sale, continuous unrealized loss position, 12 months or longer, gross unrealized losses	$ (40,534)	$ (59,490)
Investments securities, available for sale, continuous unrealized loss position , greater than 12 months, number of positions | securities	53	69
Investment securities available for sale, total, continuous unrealized loss position, fair value	$ 193,683	$ 219,264
Investment securities available for sale, total, continuous unrealized loss position, gross unrealized losses	(40,534)	(59,490)
Mortgage-backed securities [Member]
Investment Securities, Available-for-sale [Line Items]
Investment securities available for sale, continuous unrealized loss position, less than 12 months, fair value	0	610
Investment securities available for sale, continuous unrealized loss position, less than 12 months, gross unrealized losses	$ 0	$ (3)
Investment securities, available for sale, continuous unrealized loss position, less than 12 months, number of positions | securities	0	1
Investment securities available for sale, continuous unrealized loss position, 12 months or longer, fair value	$ 96,142	$ 119,209
Investment securities available for sale, continuous unrealized loss position, 12 months or longer, gross unrealized losses	$ (17,216)	$ (26,170)
Investments securities, available for sale, continuous unrealized loss position , greater than 12 months, number of positions | securities	22	25
Investment securities available for sale, total, continuous unrealized loss position, fair value	$ 96,142	$ 119,819
Investment securities available for sale, total, continuous unrealized loss position, gross unrealized losses	(17,216)	(26,173)
Collateralized Loan Obligations [Member]
Investment Securities, Available-for-sale [Line Items]
Investment securities available for sale, continuous unrealized loss position, less than 12 months, fair value	1,110
Investment securities available for sale, continuous unrealized loss position, less than 12 months, gross unrealized losses	$ (1)
Investment securities, available for sale, continuous unrealized loss position, less than 12 months, number of positions | securities	1
Investment securities available for sale, continuous unrealized loss position, 12 months or longer, fair value	$ 0
Investment securities available for sale, continuous unrealized loss position, 12 months or longer, gross unrealized losses	$ 0
Investments securities, available for sale, continuous unrealized loss position , greater than 12 months, number of positions | securities	0
Investment securities available for sale, total, continuous unrealized loss position, fair value	$ 1,110
Investment securities available for sale, total, continuous unrealized loss position, gross unrealized losses	(1)
Corporate notes [Member]
Investment Securities, Available-for-sale [Line Items]
Investment securities available for sale, continuous unrealized loss position, less than 12 months, fair value	0	0
Investment securities available for sale, continuous unrealized loss position, less than 12 months, gross unrealized losses	$ 0	$ 0
Investment securities, available for sale, continuous unrealized loss position, less than 12 months, number of positions | securities	0	0
Investment securities available for sale, continuous unrealized loss position, 12 months or longer, fair value	$ 13,052	$ 12,372
Investment securities available for sale, continuous unrealized loss position, 12 months or longer, gross unrealized losses	$ (699)	$ (1,378)
Investments securities, available for sale, continuous unrealized loss position , greater than 12 months, number of positions | securities	8	8
Investment securities available for sale, total, continuous unrealized loss position, fair value	$ 13,052	$ 12,372
Investment securities available for sale, total, continuous unrealized loss position, gross unrealized losses	$ (699)	$ (1,378)

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