Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
OPERATING ACTIVITIES
Net income	$ 104,374	$ 151,150
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	34,863	35,933
Provision for credit losses	33,453	31,999
Loss on sale of investments	28,393	391
Net amortization of investment securities and assets	13,104	10,647
Net amortization on borrowings	114	114
Stock-based compensation expense	8,867	9,617
Loss (gain) on sale of foreclosed assets and other real estate owned	(911)	(193)
Gain on sale of mortgage loans held for sale	(6,705)	(5,711)
Loss on sale of loans	234	0
Deferred income taxes	(3,254)	4,202
Income from bank owned life insurance	(11,798)	(9,811)
Originations of mortgage loans held for sale	(73,582)	(207,822)
Proceeds from sale of mortgage loans held for sale	81,390	205,329
Changes in assets and liabilities:
Interest receivable	(3,270)	(7,469)
Other assets	65,650	(99,325)
Accrued interest and other liabilities	74,820	5,115
Income taxes payable	(2,683)	(3,730)
Net cash provided by operating activities	343,059	120,436
INVESTING ACTIVITIES
Net change in loans	(519,391)	(709,735)
Proceeds from sale of loans	6,099	69,760
Net change in due from banks - time	0	695
Purchases of premises and equipment, net	(34,935)	(26,556)
Proceeds from sale of foreclosed assets and other real estate owned	5,100	1,867
Proceeds from sale of available-for-sale securities	251,517	0
Proceeds from maturities of available-for-sale securities	205,164	494,388
Purchases of available-for-sale securities	0	(2,286)
Proceeds from maturities of held-to-maturity securities	62,460	65,786
Purchases of held-to-maturity securities	(1,000)	(62,885)
Surrender of bank owned life insurance	2,201	0
Proceeds from bank owned life insurance death benefits	1,376	3,686
Net cash used in investing activities	(21,409)	(165,280)
FINANCING ACTIVITIES
Net change in deposits	(309,544)	(316,514)
Proceeds from issuance of other borrowed funds	2,650,000	3,125,000
Repayments of other borrowed funds	(2,576,488)	(2,636,441)
Dividends paid on common stock	(79,055)	(75,926)
Net change in federal funds purchased and securities sold under agreements to repurchase	(16,898)	(85,921)
Net shares cancelled under stock compensation plans	(1,325)	(2,662)
Shares issued under employee stock purchase plan	970	833
Repurchases of common stock	0	(39,999)
Net cash (used in) provided by financing activities	(332,340)	(31,630)
(DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(10,690)	(76,474)
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	614,092	682,122
CASH AND CASH EQUIVALENTS, END OF PERIOD	$ 603,402	$ 605,648