CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income		$ 134,230	$ 131,265	$ 144,781
Available-for-Sale Debt Securities
Net change in fair value of available-for-sale debt securities		34,559	2,328	20,317
Tax effect		(7,429)	(458)	(4,407)
Net available-for-sale securities gains reclassified into earnings	[1]	2,295	7,938	0
Tax effect		(493)	(1,563)	0
Net effect on other comprehensive income		28,932	8,245	15,910
Interest Rate Swaps
Net change in fair value of interest rate swaps		397	(8,253)	(5,753)
Tax effect		(85)	1,722	1,237
Net interest rate swap losses reclassified into earnings	[2]	7,168	13,403	12,382
Tax effect		(1,542)	(2,796)	(2,662)
Net effect on other comprehensive income		5,938	4,076	5,204
Employee Benefit Plans
Adjustment to funded status of employee benefit plans		526	1,969	142
Tax effect		(111)	(381)	(32)
Net effect on other comprehensive income		415	1,588	110
Net of Tax Amount		35,285	13,909	21,224
Comprehensive Income		$ 169,515	$ 145,174	$ 166,005

[1] Reclassification adjustments are comprised of realized security losses. The realized losses have been recorded in net loss on sale of securities in the Consolidated Statements of Net Income.

[2] Reclassification adjustments have been recorded in loan interest income in the Consolidated Statements of Net Income.