Securities (Tables)

12 Months Ended

Dec. 31, 2025

Investments, Debt and Equity Securities [Abstract]

Schedule of Securities Available-for-Sale

The amortized cost, unrealized gross gains and losses recognized in accumulated other comprehensive income (loss), and fair value of Securities Available-for-Sale were as follows:

Securities Available-for-Sale:	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
2025
U.S. Treasury	$	152,026	$	64	$	—	$	152,090
Obligations of State and Political Subdivisions	603,528		822		(106,744)		497,606
MBS/CMO	795,574		4,714		(80,746)		719,542
US Gov’t Sponsored Entities & Agencies	314,604		853		(27,301)		288,156
Total	$	1,865,732	$	6,453	$	(214,791)	$	1,657,394
2024
U.S. Treasury	$	110,813	$	51	$	—	$	110,864
Obligations of State and Political Subdivisions	587,963		21		(124,815)		463,169
MBS/CMO	817,553		341		(115,715)		702,179
US Gov’t Sponsored Entities & Agencies	279,711		—		(38,636)		241,075
Total	$	1,796,040	$	413	$	(279,166)	$	1,517,287

Schedule of Securities by Contractual Maturity

The amortized cost and fair value of securities at December 31, 2025 by contractual maturity are shown below. Expected maturities may differ from contractual maturities because some issuers have the right to call or prepay certain obligations with or without call or prepayment penalties. Mortgage-backed securities are not due at a single maturity date and are shown separately. 

	Amortized Cost		Fair Value
Securities Available-for-Sale:
Due in one year or less	$	154,385	$	154,453
Due after one year through five years	10,867		10,758
Due after five years through ten years	62,323		56,986
Due after ten years	527,979		427,499
MBS/CMO	795,574		719,542
US Gov’t Sponsored Entities & Agencies	314,604		288,156
Total	$	1,865,732	$	1,657,394

Schedule of Proceeds from the Sales of Securities

	2025			2024		2023
Proceeds from the Sales of Securities are summarized below:	Available- for-Sale			Available- for-Sale		Available- for-Sale
Proceeds from Sales	$	206,875	(1)	$	404,103	$	114,259
Gross Gains on Sales	—			614		346
Gross Losses on Sales	—			35,402		306
Income Taxes on Net Gains (Losses)	—			(7,305)		8

(1) No gains or losses were recognized on the sale of securities during 2025 as these securities were sold at time of acquisition and were recorded at fair value at the closing of the Heartland acquisition.

Schedule of Securities with Unrealized Losses

Below is a summary of securities with unrealized losses as of December 31, 2025 and 2024, presented by length of time the securities have been in a continuous unrealized loss position: 

	Less than 12 Months				12 Months or More				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
December 31, 2025
Obligations of State and Political Subdivisions	$	3,054	$	(29)	$	461,657	$	(106,715)	$	464,711	$	(106,744)
MBS/CMO	38,024		(420)		463,315		(80,326)		501,339		(80,746)
US Gov’t Sponsored Entities & Agencies	6,793		(40)		171,247		(27,261)		178,040		(27,301)
Total	$	47,871	$	(489)	$	1,096,219	$	(214,302)	$	1,144,090	$	(214,791)

	Less than 12 Months				12 Months or More				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
December 31, 2024
Obligations of State and Political Subdivisions	$	13,249	$	(231)	$	445,264	$	(124,584)	$	458,513	$	(124,815)
MBS/CMO	176,333		(2,461)		480,235		(113,254)		656,568		(115,715)
US Gov’t Sponsored Entities & Agencies	96,132		(2,989)		144,943		(35,647)		241,075		(38,636)
Total	$	285,714	$	(5,681)	$	1,070,442	$	(273,485)	$	1,356,156	$	(279,166)