CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income		$ 131,265	$ 144,781	$ 135,520
Available-for-Sale Debt Securities
Net change in fair value of available-for-sale debt securities		2,328	20,317	(111,539)
Tax effect		(458)	(4,407)	23,805
Net available-for-sale securities gains reclassified into earnings	[1]	7,938	0	(198)
Tax effect		(1,563)	0	42
Net effect on other comprehensive income		8,245	15,910	(87,890)
Interest Rate Swaps
Net change in fair value of interest rate swaps		(8,253)	(5,753)	(21,459)
Tax effect		1,722	1,237	4,581
Net interest rate swap losses reclassified into earnings	[2]	13,403	12,382	91
Tax effect		(2,796)	(2,662)	(19)
Net effect on other comprehensive income		4,076	5,204	(16,806)
Employee Benefit Plans
Adjustment to funded status of employee benefit plans		1,969	142	(2,526)
Tax effect		(381)	(32)	608
Net employee benefit plan losses reclassified into earnings	[3]	0	0	2,080
Tax effect		0	0	(501)
Net effect on other comprehensive income		1,588	110	(339)
Net of Tax Amount		13,909	21,224	(105,035)
Comprehensive Income		$ 145,174	$ 166,005	$ 30,485

[1] Reclassification adjustments are comprised of realized security gains or losses. The realized gains or losses have been recorded in net (loss) gain 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.

[3] Reclassification adjustments are comprised of realized actuarial gains or losses and settlement charges. These gains or losses and settlement charges have been recorded in salaries and employee benefits in the Consolidated Statements of Net Income.